Rock band logos stickered the walls and railings in the dim light of the Paper Tiger, the grungy San Antonio venue with a 1,000-person capacity that was packed wall to wall for U.S. Senate candidate James Talarico last Friday evening. It was night three of The People vs. Ken Paxton tour, as the Austin Democrat has dubbed his general election kickoff, and the line to get in stretched a quarter-mile long. Hopeful Democrats stood sweating in the s…