A ‘MAGA Boat Parade’ to celebrate former President Donald Trump this weekend is spurring much mockery — even from the Democratic National Committee. Trump supporters who gather on Michigan’s Lake St. Clair at 1 p.m. Saturday to celebrate the presumptive Republican nominee’s 78th birthday outside Detroit will see a plane flying over their heads with a DNC banner, Salon reported Friday. “Trump’s a crook,” the banner will reportedly read. “Don’t Let Em Sink Ur Boat.” Want more breaking political news? Click for the latest headlines at Raw Story. ALSO READ: The stunning reason Donald Trump thinks …