The "Coexist? Comedy Tour" is getting some national attention after more than two years of performing at a number of California comedy venues. About 600 people filled The Crest Theatre on Saturday to view a one-night-only performance that was taped live by filmmaker Larry Brand, producer of HBO's Assume the Position with Mr. Wuhl. The Coexist Tour began with an everyday conversation between comedians Keith Lowell Jensen, an athiest, and Tapan Travedi, a Hindu. After speaking about religion, they realized that they were spiritual opposites -- Travedi believes everything is a god, while Jenson believes nothing is a god. They decided making jokes about their religious differences would make