D.N.C. Live Updates: Tim Walz, on Biggest Night of His Career, Tells His Story and Goes on Offense Tim Walz rocketed from a low-profile governor to the party’s vice-presidential nominee in recent weeks. “I haven’t given a lot of big speeches like this, but I have given a lot of pep talks,” he said. Here’s the latest from Chicago. Gov. Tim Walz of Minnesota formally accepted the Democratic Party’s nomination for vice president on Wednesday night with a plain-spoken but searing speech in which he lashed out at former President Donald J. Trump as “weird” and “dangerous” and leaned on his own Midwestern roots as evidence of the ticket’s broad appeal to voters.