A day after Trump congratulated the new DNC Chairman, he's now claiming the election was rigged

Saturday, US President Donald Trump congratulated the new DNC Chairman Thomas Perez as the new DNC (Democratic National Convention) chairman but after Perez came for him on Twitter, he changed his tune. Sunday, he tweeted that the DNC election was “totally rigged” against Muslim Rep. Keith Ellison (D-MN), who was endorsed by Bernie Sanders, adding that former Democratic presidential candidate