Pair of Jacks: To build the impressive Great Park that it has promised, Larry Agran’s Irvine political machine is desperate for new sources of revenue. Congressman John Campbell (R-Nothing Down; Drive Off The Lot) wants to block Agran, a Democrat, from partnering with the Juaneno Mission Indians, who are shopping for locations to build a casino if they soon win federal recognition of their tribe. Vanja Petrovic and Vik Jolly at the Register report that Campbell, a longtime Agran nemesis, intr