There are softball interviews, and then there is whatever ABC’s Jimmy Kimmel did on his Monday show with New York City Mayor Zohran Mamdani. As Jimmy Kimmel Live! started its week-long Brooklyn field trip, the part of Kimmel that seeks to portray himself as someone who speaks truth to power took a backseat to the part of him that is fangirls over left-wing politicians as he invited Mamdani to come back to Los Angeles and “be our mayo …