Trump's Repeated Mix-Ups and Gaffes Draw Attention at Rally

During a rally in Virginia, former President Donald Trump mistakenly referred to Barack Obama as Joe Biden, claiming that Russian President Vladimir Putin disrespects Obama to the extent of discussing nuclear weapons, sparking concerns about the age and mental acuity of the likely Republican presidential nominee. This marks the third instance of Trump confusing the two in the past six months, raising questions about the fitness of both Trump and Biden for the role of U.S. presidency.