Democratic Senator Bob Casey was the only U.S. Senator from Pennsylvania to vote for legislation Tuesday that protects the right to same-sex and interracial marriage. Republican Senator Pat Toomey was absent from the vote. The Respect for Marriage Act, which had already passed in the U.S. House, passed in the Senate on Tuesday night by a vote of 61-36. Senator Toomey released a statement earlier this month that said the measure threatened religious liberty, while not offering any new benefits to same-sex marriages that don’t already exist.