When special counsel Robert Hur delivered his final report on the investigation of classified government documents found in Joe Biden’s Delaware home, he concluded that no criminal charges were warranted — and described the 81-year-old U.S. president as an “elderly man with a poor memory.” That description has been followed by a lot of discussion of Biden’s age. But progressive legal expert Elie Mystal, in an article published by The Nation on February 21, makes it clear that he is sick to death of hearing how “old” Biden is — especially in light of the fact that 2024 GOP presidential frontrun…