Washington (CNN)Sen. Marco Rubio will win the Florida GOP Senate primary, according to a CNN projection Tuesday night.
Also in Florida, CNN projects Democrat Rep. Debbie Wasserman Schultz has won her primary against a Bernie Sanders-backed rival.
In Arizona, Sen. John McCain faces a test from Kelli Ward, a conservative 33 years McCain's junior who has suggested his age (he turned 80 on Monday) means he's too old for a sixth term.