Biden Faces Doubts on Economy and Mental Fitness as Trump Leads GOP Race

42% of respondents prefer Trump's economic leadership compared to 31% for Biden in recent poll
Biden faces scrutiny over age, mental fitness due to classified documents report describing forgotten details
46% say they can live comfortably, a slight increase, but Biden's economic approval unchanged at 36%
Deep partisan divides evident; 71% of Democrats approve Biden's economic management vs 5% of Republicans
In Republican primary, Trump leads significantly over Nikki Haley despite her touting foreign policy experience