In this April 7, 2017, file photo, Sen. Thom Tillis, R-N.C., speaks to reporters on Capitol Hill in Washington. Tillis collapsed Wednesday during a race in Washington but later announced that he was fine.
In this April 7, 2017, file photo, Sen. Thom Tillis, R-N.C., speaks to reporters on Capitol Hill in Washington. Tillis collapsed Wednesday during a race in Washington but later announced that he was fine. Susan Walsh AP
In this April 7, 2017, file photo, Sen. Thom Tillis, R-N.C., speaks to reporters on Capitol Hill in Washington. Tillis collapsed Wednesday during a race in Washington but later announced that he was fine. Susan Walsh AP