PolitiFact: What Ron Johnson said about John McCain's brain cancer and McCain's vote

U.S. Sen. Ron Johnson made headlines this week by linking U.S. Sen. John McCain's brain cancer with McCain's decisive vote killing a Republican attempt to repeal parts of Obamacare.

The Wisconsin Republican has since walked back the remarks he made about his Arizona GOP colleague.

PolitiFact Wisconsin offers an In Context look at Johnson's controversial comments and what he's said since then.