DENVER - Rudy Giuliani emerged as a favorite among many members of the GOP's largest gay organization, who cited his record on social issues, taxes and defense. However, delegates to the Log Cabin Republicans annual convention said Friday they also fear that the former New York mayor, in his bid to capture the Republican presidential nomination, might be waffling as he reaches out to the more conservative GOP voters who hold sway in the primaries. "Mainstream Republican voters and moderate voters are going to vote for you. Don't tilt to the right," said Frank Ricchiazzi, who helped found the Log...