After Carole Migden won the endorsement of the Harvey Milk Club, things were looking grim for Assemblyman Mark Leno. But today Gavin Newsom shined his megawatt charm over in Leno's direction today, endorsing his bid for a state Senate seat. According to the B.A.R., " Newsom [is] expected to publicly endorse Leno Wednesday night at the Herbst Theatre during a special screening of Pursuit of Equality..." Leno is trying to dethrone state Senator Carole......