A $100 million campaign has four Indian gambling measures riding a wave of voter support, but a separate proposal to alter legislative term limits desperately needs a life jacket, according to a Field Poll released Sunday. With election day looming on Tuesday, the poll shows that support for the Indian gambling measures has risen consistently in recent weeks, while the term limits measure has fallen dramatically. Propositions 94 through 97, which would allow four wealthy Southern California Indian tribes to add up to 17,000 casino slot machines, is leading by 47 percent to 34 percent, with 19 percent of likely...