Donald J. Trump’s lead in the 2024 presidential race has widened after President Biden’s fumbling debate performance last week, as concerns that Mr. Biden is too old to govern effectively rose to new heights among Democrats and independent voters, a new poll from The New York Times and Siena College showed.
Mr. Trump now leads Mr. Biden 49 percent to 43 percent among likely voters nationally, a three-point swing toward the Republican from just a week earlier, before the debate. It is the largest lead Mr. Trump has recorded in a Times/Siena poll since 2015. Mr. Trump leads by even more among registered voters, 49 percent to 41 percent.
Doubts about Mr. Biden’s age and acuity are widespread and growing. A majority of every…
