Brain tumor affected McCain vote?

Sen. Ron Johnson suggested that fellow Republican Sen. John McCain’s brain tumor and the after-midnight timing of the vote were factors in the Arizona lawmaker’s decisive vote against the GOP health care bill. In a radio interview Tuesday with AM560 “Chicago’s Morning Answer,” Johnson answered questions about the collapse of the years-long Republican effort to repeal and replace Barack Obama’s Affordable Care Act, his criticism of the process and McCain’s dramatic vote/ Associated Press . More here.

Question: Seriously?