Now Playing: West Virginia’s Republican candidate Don Blankenship calls Sen. Manchin ‘easy to beat
Now Playing: Mike Braun delivers victory speech
Now Playing: Blankenship concedes West Virginia race
Now Playing: Indiana Senate race: Mike Braun wins GOP primary
Now Playing: Patrick Morrisey projected to win West Virginia primary
Now Playing: Trump urges voters to reject Blankenship on West Virginia ballot
Now Playing: Firm with ties to Russian oligarch allegedly made payments to Trump’s attorney, says adult film star’s lawyer
Now Playing: Trump withdraws US from Iran nuclear deal
Now Playing: Meghan McCain shares update on her father, Sen. John McCain
Now Playing: N.Y. attorney general resigns amid abuse allegations
Now Playing: SPECIAL REPORT: Trump announces US withdrawing from Iran nuclear deal
Now Playing: Trump: ‘The United States will withdraw from the Iran nuclear deal’
Now Playing: Schneiderman accusers are ‘deeply courageous,’ NY gov says
Now Playing: Voters in 4 states go to the polls in high-stakes primaries
Now Playing: First lady launches ‘BE BEST’ campaign
Now Playing: Trump to announce decision on Iran nuclear deal
Now Playing: Oliver North, key figure in Iran-Contra scandal, to head the NRA
Now Playing: Blankenship: I’m ‘probably the most honest person that ever ran for office’
Now Playing: First lady Melania Trump unveils official policy platform: ‘Be Best’
Now Playing: Speaker Ryan and House chaplain look to bury hatchet after reinstatement
