NEW YORK - Anti-gay bias has flared up in Hollywood and pro basketball recently, and soon the topic will be thrust dramatically into a new forum — a reshaped Congress likely to pass the first major federal gay-rights bills. Wary conservative leaders, as well as gay-rights advocates, share a belief that at least two measures will win approval this year: a hate-crimes bill that would cover offenses motivated by anti-gay bias, and a measure that would outlaw workplace discrimination based on sexual orientation. Also on the table — although with more doubtful prospects — will be a measure to be...