Here is what they said about supporting the Respect for Marriage Act, which some social conservatives object to:SUSAN COLLINS, MAINECollins is one of the most moderate Senate Republicans.
LISA MURKOWSKI, ALASKAMurkowski, a moderate Senate Republican, was the third Republican senator in 2013 to come out in support of same-sex marriage.
DAN SULLIVAN, ALASKASullivan said he disagreed with the 2015 Supreme Court decision that established the national right to same-sex marriage.
CYNTHIA LUMMIS, WYOMINGAlthough she also believes in "traditional" marriage, Lummis said she believed the separation of church and state was more important than individual religious opinions.
She told Politico that although she believes "in traditional marriage," her stance evolved with growing popular support for same-sex marriage.