President Trump’s America 250 celebrations on the National Mall will feature military demonstrations, a 110-foot ferris wheel, and a slew of performers who are questionable at best. Flo Rida, Milli Vanilli, Martina McBride, and Vanilla Ice will headline the “Great American State Fair” in Washington, D.C., which runs from June 25 to July 10. Young MC, the Commodores, C+C Music Factory, Morris Day and the Time, and Bret Michaels will all also perform. Flo Rida, Milli Vanilli, and Vanilla Ice are