PHOTOS: Presidents, Politicians and Celebrities Campaign for Nevada Candidates LAS VEGAS, NV - SEPTEMBER 20: U.S. President Donald Trump (L) looks on as U.S. Sen. Dean Heller (R-NV) speaks during a campaign rally at the Las Vegas Convention Center on September 20, 2018 in Las Vegas, Nevada. Trump is in town to support Heller's re-election campaign as well as Nevada Attorney General and Republican gubernatorial candidate Adam Laxalt and candidate for Nevada's 3rd House District Danny Tarkanian and 4th House District Cresent Hardy. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller PHOTOS: Presidents, Politicians and Celebrities Campaign for Nevada Candidates LAS VEGAS, NEVADA - NOVEMBER 02: Television host Jimmy Kimmel (L) greets Clark County Commission Chairman and Democratic gubernatorial candidate Steve Sisolak at a get-out-the-vote rally at First Friday in the Downtown Las Vegas Arts District on the final day of in-person early voting in Nevada on November 02, 2018 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller PHOTOS: Presidents, Politicians and Celebrities Campaign for Nevada Candidates LAS VEGAS, NV - SEPTEMBER 07: U.S. Vice President Mike Pence (L) waves as he is introduced by U.S. Sen. Dean Heller (R-NV) at Nellis Air Force Base on September 7, 2018 in Las Vegas, Nevada. Pence is visiting Las Vegas to support Heller's re-election and Nevada Attorney General and Republican gubernatorial candidate Adam Laxalt's campaigns. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller PHOTOS: Presidents, Politicians and Celebrities Campaign for Nevada Candidates LAS VEGAS, NEVADA - OCTOBER 22: (L-R) Clark County Commission Chairman and Democratic gubernatorial candidate Steve Sisolak, former U.S. President Barack Obama, U.S. Rep. and U.S. Senate candidate Jacky Rosen (D-NV), Democratic candidate for Nevada's 3rd House District Susie Lee, Democratic candidate for Nevada's 4th House District Steven Horsford and Democratic candidate for Nevada Lt. Gov. Kate Marshall hold hands and raise their arms after speaking at a get-out-the-vote rally at the Cox Pavilion as Obama campaigns for Nevada Democratic candidates on October 22, 2018 in Las Vegas, Nevada. Early voting in Clark County, Nevada began on October 20 and has recorded the highest turnout during the first two days of early voting in a midterm election. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller PHOTOS: Presidents, Politicians and Celebrities Campaign for Nevada Candidates LAS VEGAS, NV - SEPTEMBER 20: U.S. President Donald Trump (L) talks with U.S. Sen. Dean Heller (R-NV) during a campaign rally at the Las Vegas Convention Center on September 20, 2018 in Las Vegas, Nevada. Trump is in town to support Heller's re-election campaign as well as Nevada Attorney General and Republican gubernatorial candidate Adam Laxalt and candidate for Nevada's 3rd House District Danny Tarkanian and 4th House District Cresent Hardy. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller PHOTOS: Presidents, Politicians and Celebrities Campaign for Nevada Candidates LAS VEGAS, NEVADA - OCTOBER 20: Clark County Commission Chairman and Democratic gubernatorial candidate Steve Sisolak (L) is greeted by former U.S. Vice President Joe Biden during a rally at the Culinary Workers Union Hall Local 226 as Biden campaigns for Nevada Democratic candidates on October 20, 2018 in Las Vegas, Nevada. Early voting for the midterm elections in Nevada begins today. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller PHOTOS: Presidents, Politicians and Celebrities Campaign for Nevada Candidates LAS VEGAS, NV - SEPTEMBER 07: (L-R) U.S. Sen. Dean Heller (R-NV), U.S. Vice President Mike Pence and Nevada Attorney General and Republican gubernatorial candidate Adam Laxalt wave as they step off Air Force Two at Nellis Air Force Base on September 7, 2018 in Las Vegas, Nevada. Pence is visiting Las Vegas to support Heller's re-election and Laxalt's campaigns. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller PHOTOS: Presidents, Politicians and Celebrities Campaign for Nevada Candidates LAS VEGAS, NEVADA - NOVEMBER 02: U.S. Senate candidate Jacky Rosen (D-NV) (L) and U.S. Sen. Kamala Harris (D-CA) react after a get-out-the-vote rally at First Friday in the Downtown Las Vegas Arts District as Harris campaigns for Nevada Democratic candidates on the final day of in-person early voting in Nevada on November 02, 2018 in Las Vegas, Nevada. Rosen is trying to unseat Republican Dean Heller in a tight race for senate. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller PHOTOS: Presidents, Politicians and Celebrities Campaign for Nevada Candidates LAS VEGAS, NV - SEPTEMBER 20: Republican candidate for Nevada's 3rd House District Danny Tarkanian speaks during a Donald Trump campaign rally at the Las Vegas Convention Center on September 20, 2018 in Las Vegas, Nevada. Trump is in town to support Tarkanian, the re-election campaign for U.S. Sen. Dean Heller (R-NV) as well as Nevada Attorney General and Republican gubernatorial candidate Adam Laxalt and candidate for Nevada's 4th House District Cresent Hardy. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller PHOTOS: Presidents, Politicians and Celebrities Campaign for Nevada Candidates LAS VEGAS, NEVADA - NOVEMBER 02: Television host Jimmy Kimmel (L) is introduced by U.S. Rep. and U.S. Senate candidate Jacky Rosen (D-NV) at a get-out-the-vote rally at First Friday in the Downtown Las Vegas Arts District on the final day of in-person early voting in Nevada on November 02, 2018 in Las Vegas, Nevada. Rosen is trying to unseat Republican Dean Heller in a tight race for senate. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller PHOTOS: Presidents, Politicians and Celebrities Campaign for Nevada Candidates LAS VEGAS, NV - SEPTEMBER 20: Republican andidate for Nevada's 4th House District Cresent Hardy speaks during a Donald Trump campaign rally at the Las Vegas Convention Center on September 20, 2018 in Las Vegas, Nevada. Trump is in town to support Hardy, the re-election campaign for U.S. Sen. Dean Heller (R-NV) as well as Nevada Attorney General and Republican gubernatorial candidate Adam Laxalt and candidate for Nevada's 3rd House District Danny Tarkanian. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller PHOTOS: Presidents, Politicians and Celebrities Campaign for Nevada Candidates LAS VEGAS, NEVADA - OCTOBER 22: (L-R) Clark County Commission Chairman and Democratic gubernatorial candidate Steve Sisolak, former U.S. President Barack Obama U.S. Rep. and U.S. Senate candidate Jacky Rosen (D-NV) hold hands and raise their arms after speaking at a get-out-the-vote rally at the Cox Pavilion as Obama campaigns for Nevada Democratic candidates on October 22, 2018 in Las Vegas, Nevada. Early voting in Clark County, Nevada began on October 20 and has recorded the highest turnout during the first two days of early voting in a midterm election. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller PHOTOS: Presidents, Politicians and Celebrities Campaign for Nevada Candidates LAS VEGAS, NEVADA - OCTOBER 20: Democratic candidate for Nevada's 4th House District Steven Horsford (L) is greeted by former U.S. Vice President Joe Biden during a rally at the Culinary Workers Union Hall Local 226 as Biden campaigns for Nevada Democratic candidates on October 20, 2018 in Las Vegas, Nevada. Early voting for the midterm elections in Nevada begins today. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller