(CBSLA/AP) — Thousands of teachers who may go on strike against the nation’s second-largest school district next month marched and rallied in downtown Los Angeles on Saturday. United Teachers Los Angeles (UTLA) union estimates 50,000 were there. The crowd had relief from overcrowding at the top of their wish list. **SNIP** UTLA teachers and supporters wore red for unity. They are seeing red over LAUSD’s reluctance to part with more green. “I want to see investment in the schools and in the kids,” said LAUSD parent Carmen Montecito. UTLA says if LAUSD would just tap in to its almost $2...