With Vice President Kamala Harris stepping in as the most likely Democratic presidential nominee following President Joe Biden’s decision not to seek re-election, speculation now moves to who she will select as her running mate. Her best shot, argued Eleanor Clift for The Daily Beast, is Sen. Mark Kelly (D-AZ). “It’s early going in the process, but Kelly is emerging as the one who checks most of the boxes,” wrote Clift. “‘He’s so down to earth for someone who’s been vetted four times to go into space,’ says a Kelly booster, noting that, ‘He’s not an electric campaigner, but he’s what she needs…