Former President Barack Obama slammed GOP nominee Donald Trump's "weird obsession with crowd sizes" during his speech at the Democratic National Convention on Tuesday.
Andrew Harnik via Getty Images
- GOP nominee Donald Trump loomed large in Barack Obama's speech at the DNC on Tuesday.
- Obama slammed Trump's "weird obsession with crowd sizes" while making a suggestive hand gesture.
- Obama said Trump has "not stopped whining about his problems since he rode down his golden...