California Gov. Gavin Newsom is heading to Washington, D.C., ostensibly to gather with other Democratic governors to show support for an embattled Joe Biden in the wake of the president’s cringeworthy performance at last week’s presidential debate. “Newsom is expected to make an appearance there to ‘stand with the president,’ a campaign spokesman said,” according to Sacramento news station KCRA-TV. The meeting follows a conference call by state governors Monday “to discuss the Democratic party’s potential path forward following party concerns about Biden’s debate performance,” the outlet repor…