The two U.S. Senate candidates in Nevada accuse each other of going easy on sex offenders. With the race so close, political strategists expect mostly negative campaigning.The increasingly contentious Nevada Senate race between Senate Majority Leader Harry Reid and his ultra-conservative Republican opponent, Sharron Angle, took an ugly turn last week when the candidates accused each other of going easy on child molesters — and campaigning isn't expected to get any more pleasant between now and election day.