Democrats erupted in cheers Tuesday as news spread that Vice President Kamala Harris named a “happy warrior” to serve as her running mate in the 2024 presidential election. Harris’ pick of Minnesota Gov. Tim Walz — who launched a political messaging movement by dubbing the MAGA right “weird” — spurred kudos from experts who argued he was the perfect pick to challenge Republican nominee Donald Trump and his controversial running mate, Sen. J.D. Vance. “It should send chills through Team MAGA,” argued Daily Beast columnist David Rothkopf. “Harris-Walz will be a potent messaging team…that maint…