Presidential elections

FILE - In this Sunday, Aug. 12, 2018 file photo, Malian incumbent President, Ibrahim Boubacar Keita, arrives to cast his ballot during the Presidential second round election in Bamako, Mali. Mali's President Ibrahim Boubacar Keita has won another term in a runoff election with more than 67 percent of the vote. AP Photo/Annie Risemberg, File)

In this Aug. 15, 2018, photo, Maria Nieto, right, and Alma Romo, second from left, register people to vote in Las Vegas. Democrats in Nevada are working to register and engage Latino voters ahead of this year's midterms, hoping to recreate the big wins that the state's Hispanic and immigrant community are credited with delivering two years ago. (AP Photo/John Locher)

Minnesota Rep. Ilhan Omar celebrates with her children after her Congressional 5th District primary victory, Tuesday, Aug. 14, 2018, in Minneapolis. (Mark Vancleave/Star Tribune via AP)

FILE - In this Aug. 8, 2018, file photo, Secretary of State Kris Kobach speaks during a news conference in Topeka, Kan. With Kobach as the Republican nominee for governor, Kansas Democrats may have the candidate they want. There's no guarantee that the business wing of the Republican Party will collectively back Kobach given the likely candidacy of independent Greg Orman, a Kansas City-area businessman who ran a strong campaign for U.S. Senate two years ago. (Thad Allton/The Topeka Capital-Journal via AP, File)

United States Ambassador to Zimbabwe Brian Nichols, left, is seen during a courtesy call with Zimbabwean President elect Emmerson Mnangagwa at his official residence State House in Harare, Wednesday, Aug, 15, 2018. Nichols emphasised the need to respect human rights as Zimbabwe awaits a court ruling on whether the election results are valid. (AP Photo/Tsvangirayi Mukwazhi)

Vermont Democratic gubernatorial candidate Christine Hallquist, center, a transgender woman and former utility executive, is greeted by her supporters during her election night party in Burlington, Vt., Tuesday, Aug. 14, 2018. (AP Photo/Charles Krupa)

FILE - In this Aug. 8, 2018, file photo, Kansas Gov. Jeff Colyer, left, alongside Lt. Gov. Tracey Mann, addresses the media at the Kansas Statehouse in Topeka, Kan., a day after his primary race against Kansas Secretary of State Kris Kobach. Colyer conceded late Tuesday, Aug. 14, 2018, in the state's Republican gubernatorial primary, saying he will endorse Kobach a week after their neck-and-neck finish threatened to send the race to a recount. (Chris Neal/The Topeka Capital-Journal via AP, File)

Tim Pawlenty stands with his wife, Mary, background left, and running mate Michelle Fischbach as he concedes his run for governor at his election night gathering at Granite City Food and Brewery, Tuesday, Aug. 14, 2018, in Eagan, Minn. (Glen Stubbe/Star Tribune via AP)

People vote at Edison High School in northeast Minneapolis, Tuesday, Aug. 14, 2018. It's Minnesota's busiest primary in recent memory, with races for governor, both Senate seats and three contested congressional races. (Aaron Lavinsky/Star Tribune via AP)

FILE - In this Feb. 28, 2017 file photo, White House Director of communications for the Office of Public Liaison Omarosa Manigault Newman stands with the of leaders of Historically Black Colleges and Universities (HBCU) outside the West Wing of the White House in Washington. The White House says former aide Omarosa Manigault Newman has "shown a complete lack of integrity" with her criticism of President Donald Trump in her new book, "Unhinged." Press secretary Sarah Huckabee Sanders said Tuesday, Aug. 14, 2018, that Trump's tweets referring to Manigault Newman as "crazed" and a "dog" reflect his "frustration" with her comments. (AP Photo/Pablo Martinez Monsivais)