Rep. Alexandria Ocasio-Cortez will be a featured speaker at Al Sharpton’s National Action Network convention next month, joining a large number of Democratic presidential contenders. Sharpton said Wednesday he was impressed with the first-year congresswoman, who shocked the political world last year by defeating veteran Rep. Joe Crowley. “I met her in Washington. She seems to be very smart and committed to the progressive agenda,” Sharpton said. The convention will be held at the Sheraton Times Square from April 3-6. Ocasio-Cortez is scheduled to speak April 5 — right before Vermont Sen. Bernie Sanders. Other speakers include Democratic star Stacey...