It was set for 9 pm EST on January 28, 2014.
Vice President and the Speaker of the House will be sitting behind Obama during the 2014 state of union address.
In a word, Yes.
Historically, there have been a few instances where the U.S. Secretary of State was out of the country during the President's State of the Union address. While exact numbers can vary, notable occurrences include Secretary of State John Kerry in 2014, who was in India, and Secretary of State Hillary Clinton in 2012, who was traveling in Africa. These situations are relatively rare, as the Secretary of State typically attends this significant event.
It is projected that the state of South Carolina will begin issuing marriage licenses to same-sex couples beginning November 20, 2014.
Piers Morgan Tonight - 2011 The State of the Union was released on: USA: 28 January 2014
State of the Union with John King - 2009 1-83 was released on: USA: January 2014
State of the Union with John King - 2009 1-89 was released on: USA: February 2014
Civil unions are not recognized in Florida, as of 2014.
Union Furnace - 2014 was released on: USA: 13 June 2014
Strength in Union - 2014 was released on: USA: 1 October 2014
As of February 2014, the only state that allows this is Nevada (where it is called a domestic partnership).
The state of Illinois will begin recognizing out-of-state same-sex marriages in June 2014.