Biden campaign co-chair fires back at speculation on the president's mental capacity

Mitch Landrieu fired back at concerns surrounding President Joe Biden's memory and mental capacity.

The comments follow the release of Special Counsel Robert Hur's report, which cited Biden 's alleged poor memory.

Biden 's mental capacity has been a sticking point for voters and Washington alike.

Homeland Security Secretary Alejandro Mayorkas made similar remarks on " Meet the Press ".