Millions of dollars are in play to sway your vote on Proposition 53. The TV ads are everywhere. Supporters call it the “No Blank Checks Initiative,” while Gov. Jerry Brown says it’s bad for California. FAST FACTS: Passage of Prop 53 could spell funding problems for Brown’s twin tunnels project, high speed rail.Opponents argue Prop 53 would threaten future infrastructure problems, while supporters tout expensive projects would require voter approval. If Prop 53 were in effect during rolling blackouts of 2001, electricity crisis would have been tougher to deal with