Ever go out with someone only to realize your date's a hybrid car-driving environmental activist, when your philosophy is, hey, you only live once? Or the other way around? Such polarizing issues are the force behind RepublicanSingles.com, DemocraticSingles.com and SingleRepublican.com, new Web sites that aim to narrow down the online dating minefield to people who share common political views. "With the war, people are getting more politically minded, especially in an election year," said Tony Sandoval (search), CEO of California-based Terra9 Singles, the company behind RepublicanSingles.com and DemocraticSingles.com. “A significant number of people know they want to find a Democrat...