Special elections

In a Monday, March 27, 2017 photo, Democratic Congressional candidate Jon Ossoff greets supporters outside of the East Roswell Branch Library in Roswell, Ga., on the first day of early voting. President Donald Trump is attacking the leading Democratic candidate for a special election in a typically conservative Georgia congressional district, with Republicans bidding to avoid a major upset. On Twitter, Trump said Monday April 17, 2017, that "The super Liberal Democrat in the Georgia Congressional race tomorrow wants to protect criminals, allow illegal immigration and raise taxes!" (AP Photo/Alex Sanz)

In a Monday, March 27, 2017 photo, Democratic Congressional candidate Jon Ossoff greets supporters outside of the East Roswell Branch Library in Roswell, Ga., on the first day of early voting. President Donald Trump is attacking the leading Democratic candidate for a special election in a typically conservative Georgia congressional district, with Republicans bidding to avoid a major upset. On Twitter, Trump said Monday April 17, 2017, that "The super Liberal Democrat in the Georgia Congressional race tomorrow wants to protect criminals, allow illegal immigration and raise taxes!" (AP Photo/Alex Sanz)

Kansas 4th District congressional candidate Ron Estes, right, and Sen. Ted Cruz who came to Wichita to campaign for Estes the day before a special election speak to the media during a news conference before their rally at Yingling Aviation, Monday, April 10, 2017, in Wichita, Kan. (Fernando Salazar/The Wichita Eagle via AP)

Kansas 4th District congressional candidate Ron Estes, right, and Sen. Ted Cruz who came to Wichita to campaign for Estes the day before a special election speak to the media during a news conference before their rally at Yingling Aviation, Monday, April 10, 2017, in Wichita, Kan. (Fernando Salazar/The Wichita Eagle via AP)

Kansas 4th District congressional candidate Ron Estes, front left, thanks Sen. Ted Cruz who came to Wichita to campaign for Estes the day before a special election at Yingling Aviation, Monday, April 10, 2017, in Wichita, Kan. (Fernando Salazar/The Wichita Eagle via AP)

Kansas 4th District congressional candidate Ron Estes, front left, thanks Sen. Ted Cruz who came to Wichita to campaign for Estes the day before a special election at Yingling Aviation, Monday, April 10, 2017, in Wichita, Kan. (Fernando Salazar/The Wichita Eagle via AP)

In this March 23, 2017, photo, Democrat James Thompson, a candidate for Kansas' 4th Congressional District, speaks during a debate in Wichita, Kan. President Donald Trump stepped into a surprisingly competitive special congressional election in Kansas Monday, April 10, 2017, recording a get-out-the-vote call on behalf of Republican candidate Ron Estes. Thompson, is spending the final day of campaigning before Tuesday's election talking directly to voters. It was the first special congressional election since Trump's election as president last year. (Bo Rader/Wichita Eagle via AP)

In this March 23, 2017, photo, Democrat James Thompson, a candidate for Kansas' 4th Congressional District, speaks during a debate in Wichita, Kan. President Donald Trump stepped into a surprisingly competitive special congressional election in Kansas Monday, April 10, 2017, recording a get-out-the-vote call on behalf of Republican candidate Ron Estes. Thompson, is spending the final day of campaigning before Tuesday's election talking directly to voters. It was the first special congressional election since Trump's election as president last year. (Bo Rader/Wichita Eagle via AP)

A voter casts his ballot at a polling station in Yangon, Myanmar, Saturday, April 1, 2017. Voting is underway in 19 by-elections in Myanmar, in the first test of the popularity of Aung San Suu Kyi’s National League for Democracy since it formed the government a year ago. (AP Photo/Thein Zaw)

In this photo taken March 11, 2017, Georgia Democratic congressional candidate Jon Ossoff speaks to volunteers in his Cobb County campaign office. Ossoff is trying for an upset in a Republican-leaning district outside Atlanta. The primary is April 18 with a likely runoff on June 20. Republicans have begun to attack Ossoff, a move the candidates says "shows we can win." (AP Photo/Bill Barrow)