Four couples say Idaho's ban violates their rights under the U.S. Constitution.
Gov. Pat Quinn scheduled a signing ceremony in Chicago, but some activists want to see at least one more elsewhere in the state.
Rep. Sam Yingling marked the passage of marriage equality in Illinois by popping the question to his longtime partner.
Amid allegations that conservatives opposed to marriage equality trying to cheat the system, advocates remain optimistic that Hawaii will become the next U.S. state to legalize same-sex marriage.
The bill passed the House today, was already approved in the Senate, and the governor will sign it.
The president of Hawaii's police union, himself an active-duty officer, says he'd rather die than enforce marriage equality in his home state.