CommentaryWhenever President Joe Biden scolds vaccine holdouts, calling them stupid and even murderous, he curiously leaves out the one demographic group that data from his own health agencies show is the least likely to be inoculated, yet most vulnerable to COVID: African-Americans.He hypocritically singles out Republicans for rebuke, but not his most loyal Democratic constituency, all the while claiming his pandemic policies are based purely on science and not politics.Of course, Biden is giving unvaxxed blacks a pass because he and Democrats cannot afford to lose their reliable vote. Polls show blacks are already turning on them due in large part to Biden’s vax mandates. Many don’t want to be jabbed and they don’t like Biden’s edicts. The undeclared war brewing between Biden and black refuseniks could impact next year’s congressional elections and even the 2024 presidential race.Since Biden announced plans Sept. 9 to compel large employers to vaccinate workers, Biden’s net approval rating among black voters has …