Senate President Stanley Rosenberg joined elected officals and advocates at a rally calling on Congress to debate gun control legislation. [Photo: Antonio Caban/SHNS][/caption]BOSTON (AP) - Massachusetts Gov. Charlie Baker and Attorney General Maura Healey are calling on former Senate President Stan Rosenberg to immediately resign his seat after an ethics investigation found he showed a lack of judgment and leadership in dealing with his husband, who's facing sexual misconduct charges.

The 77-page report released Wednesday says Rosenberg "failed to protect the Senate" from Bryon Hefner.

The report concludes that while Rosenberg didn't violate any formal Senate rules, he violated Senate policies by giving Hefner "unfettered access" to his Senate email account.

Rosenberg, an Amherst Democrat, stepped down as Senate leader in December, but remains in the chamber.

Baker, a Republican, says Rosenberg should resign for the "good of the institution," and his constituents.

Democrat Healey says it's clear Rosenberg cannot continue to serve in the Senate.

Rosenberg hasn't commented on the report.

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