As world leaders announce boycott, White House remains silent
U.S. ambassador to the U.N. took part in LGBT roundtable
Gay singer made comments during Dec. 6 concert in Moscow
Russia, Cuba criticized for anti-gay records
Says he supports the people, not gov't
Igor Kochetkov had been scheduled to speak at human rights summit
Concerns over Russia's gay rights record discussed
Putin trying to retain grip on power
Stock exchange cancels plan to let delegation ring bell
'It's getting scarier each day'
