Must reads: 1. Proponents of Prop 19 woke up today to smashed windows in their downtown Oakland campaign headquarters, the result of last night’s Mehserle verdict-related vandalism, and a Chronicle story on a Field Poll showing the Tax and Regulate Cannabis Act losing 44 percent to 48 percent. Meanwhile in DC, three House Democrats tell HuffPost’s Ryan Grim, author of This Is Your Country On Drugs: The Secret History of Getting High in America, that they’ll be supporting the measure. “Reps. George Miller, Barbara Lee and Pete Stark — represent Bay Area districts and are the first federal legislators to publicly back Proposition 19. Another Democrat, Mike Honda, who represents Silicon Valley, which owes much to consciousness-expanding drugs, said he was leaning toward voting yes.” More news after the jump.