In Windsor, the Defense of Marriage Act case, the government also declines to defend its law, but the U.S. Solicitor General, unlike the California attorney general, filed a notice of appeal and a petition for review, and the government is continuing to enforce the law.

WSJ: Michael McConnell: The Constitution and Same-Sex Marriage

The West Aberdeenshire and Kincardine MSP said continuing to take a "not ruling anything out" approach would not appeal to potential new voters.

BBC: NEWS | UK | Scotland | Stephen details Lib Dem blueprint