Former Trump doctor Ronny Jackson questions Biden's mental fitness for office | TheHill - The Hill

Ronny Jackson, the former White House physician-turned-GOP congressional candidate, suggested on Tuesday that Democratic nominee Joe BidenJoe BidenMcConnell challenger dodges court packing question 'Hamilton' cast to reunite for Biden fundraiser Trump relishes return to large rallies following COVID-19 diagnosis MORE is mentally unfit for office, citing what he called cognitive decline.

The remarks from Jackson, who has not evaluated Biden, came during a phone call organized by President TrumpDonald John TrumpTwo ethics groups call on House to begin impeachment inquiry against Barr Trump relishes return to large rallies following COVID-19 diagnosis McGrath: McConnell 'can't get it done' on COVID-19 relief MORE’s campaign and are part of a sustained effort by Trump's allies to highlight Biden's gaffes on the campaign trail, arguing they make him mentally incapable of serving as commander in chief.

“As a citizen of this country, I watch Joe Biden on the campaign trail and I am concerned that he does not — am convinced that he does not have the mental capacity, the cognitive ability to serve as our commander in chief and head of state,” Jackson told reporters on the call.

Mitt RomneyWillard (Mitt) Mitt RomneyThe Hill's Campaign Report: Barrett hearings take center stage | Trump returns to campaign trail Biden: Faith shouldn't be a subject in Barrett confirmation fight Nebraska district could prove pivotal for Biden in November MORE (R-Utah) and mistakenly said he was running for the Senate, not the White House.

Trump, meanwhile, has little time to turn his campaign around as Republicans grow concerned about potentially losing the White House and Senate.

Doug Heye, a former communications director for the Republican National Committee, said the attack on Biden’s gaffes would have been more effective if Trump had executed it during the debate.