WASHINGTON — Democratic bigwigs are rushing to embrace Michigan Senate hopeful Dr. Abdul El-Sayed and present a united front, with California Gov. Gavin Newsom expected to visit him Monday and former President Barack Obama giving him a call. The Dem powerbrokers are seemingly trying to soothe moderates in the Wolverine State who might have found El-Sayed too extreme during the bruising Senate primary and encourage them to back the progressive in November. Newsom, a long-speculated 2028 aspirant, hailed El-Sayed as a “fighter” and called for Dems to unite due to the “existential” moment the country faces. “House races are important,...