Gov. Tim Walz signals bad news for Trump

While Republicans are reportedly souring on former President Donald Trump’s running mate, JD Vance, Democrats are praising Vice President Kamala Harris' choice this week. MSNBC's Brian Tyler Cohen breaks down Minnesota Gov. Tim Walz’s career and his impact on the upcoming election. For more of Brian’s collab with MSNBC click here https://www.msnbc.com/btc