Here’s what we found: Four Republican senators, so far, have said they will support or are likely to support the same-sex marriage bill passed by the House, and that includes: Rob Portman of Ohio, Susan Collins of Maine, Lisa Murkowski of Alaska ( likely) and North Carolina’s Tom Tillis (probably). Eight Republican senators, so far, have said they would vote “no” and oppose the same-sex marriage bill. Sixteen Republican senators, so far, are undecided or have not shown support for the House-passed bill. Twenty-two Republican senators have yet to respond to CNN’s inquiries.
