ReutersDonald Trump is tearing into his former attorney general for endorsing him in the upcoming presidential election, using the opportunity to dredge up his old insults against the man he says “let a lot of great people down by not investigating Voter Fraud in our Country.”Bill Barr, who invoked the wrath of Trump after publicly rebuking the then-president’s claim of a “stolen” election in 2020, said last week that he’d support a “Republican ticket” in the 2024 election.In an interview earlie