WASHINGTON — Former President Joe Biden is escalating his battle against Republican claims that he might not have been in control of high-profile clemency decisions issued under his name at the end of his term and, more generally, that his cognitive state impaired his functioning in office.

In an interview with The New York Times, Biden said he had orally granted all the pardons and commutations issued at the end of his term, calling President Donald Trump and other Republicans “liars” for claiming his aides had used an autopen to do so without his authorization.

“I made every decision,” Biden said in a phone interview Thursday, asserting that he had his staff use an autopen replicating his signature on the clemency warrants because “we’re talking about a whole lot of people.”

The interview was Biden’s first about the parallel investigations begun by the Trump White House, the Justice Department and Congress into a series of clemency decisions made by Biden in his final weeks in office and his mental acuity during his term.

– The New York Times