AP Photo/Manuel Balce Ceneta
- Donald Trump confused Joe Biden with Barack Obama again during a Virginia rally speech.
- The former president has frequently mixed up Biden and Obama on the campaign trail.
- Trump and Biden's word gaffes have prompted questions about their age and fitness for presidency.
Former President Donald Trump appeared to mix up President Joe Biden and former President Barack Obama again during a rally speech in Virginia.
"Putin has so little respect for Obama that he's starting to throw around the nuclear word. You heard that. Nuclear. He's starting to talk nuclear weapons today," Trump said on Saturday night.
The crowd went silent as Trump referenced Obama, who has not been in office for seven years.