Former President Donald Trump's rally in Iowa didn't draw the sort of crowd he may have hoped for, reported New York Magazine's Olivia Nuzzi on Wednesday."Although supporters stood in the rain for hours to enter, Trump’s rally in Dubuque is not as well attended as past rallies have been," Nuzzi posted on X. "The venue can hold 3,000 people. From my vantage point in the back, accounting for the large press area, I would guess the room is about ha…