#Sotu - What mean SOTU?

What is meaning of Sotu? Why people are searcing for "#sotu"?

According to CNN report : David Axelrod says "Obama will ask Congress, in the State of the Union address, to repeal 'Don't Ask, Don't Tell.'"

High priorities for this guy, no matter what the people want?. Health care,don't ask/don't tell,cap and trade, and of course-gay marriage. Those issues should get us All out of our Economic woes?.

FLOTUS’ Guests At Tonight’s SOTU : Typically the guests chosen to sit with the First Lady and the Vice President’s wife in their box are Americans and leaders who represent some themes that the president will address in his annual speech. Read more here.

Meaning of SOTU in different Field.

SOTU - State of the Union (Political Term)
SOTU - Sounds of the Universe (Music Term)
SOTU - Secrets of the Universe (Gaming Zone)