Trump has averaged crowd sizes of about 5,600 across the 28 rallies (with capacity information) he has appeared at this year until mid-August, according to analysis from the Crowd Counting Consortium, a joint project of Harvard Kennedy School and the University of Connecticut.

Donald Trump's extreme rhetoric and rally at Madison Square Garden in New York City has drawn comparisons to when supporters of Hitler packed the Garden in 1939. Ruth Ben-Ghiat and Anne Applebaum join Jonathan Capehart to discuss Trump's rally and how it's being held days after Trump was described as a "fascist" by his former chief of staff.