The calls for President Joe Biden to step aside that began in the media and spread to Democratic members of Congress are now also coming from statehouses, after a recent statement by a blue state governor. On Friday, Politico columnist Jonathan Martin tweeted a statement from Massachusetts Governor Maura Healey (D), which he characterized as a way to “publicly nudge Biden to the exits.” He noted that Healey was officially the first Democratic governor to join the chorus of voices urging the 81 year-old Biden to hand off the reins and allow someone else to be the party’s 2024 presidential nomin…