The issue focused on the US Supreme Court on Monday, as the justices heard arguments in a case that will consider the constitutionality of a law that allows some same-sex couples to marry. The US government's 2012 Defense of Marriage Act  has been in effect since the day it was passed, and is the law of the land in all 50 states. The law's supporters say it is an important step forward in the fight for marriage equality.The state of Virginia, one of the most conservative in the US,