Tim Walz has a tendency to misspeak. It may haunt the campaign. POLITICOYou’re Killing Me, Walz The AtlanticVoters react to Gov Tim Walz dodging Tiananmen Square question: 'I'm a knucklehead at times' Fox NewsWalz says he ‘misspoke’ after unearthed newspaper reports undercut claim he was in Hong Kong during Tiananmen Square protests CNNWalz misleadingly claims to have been in Hong Kong during period tied to Tiananmen Square massacre The Associated Press