U.S. ambassador to U.N. : Russian official said Georgian president must go . Russian foreign minister made comment to Condoleezza Rice , ambassador says . Russian ambassador objects to disclosure of conversation . Russia denies it interfered in Georgia election.
U.S. ambassador to U.N. : Russian official said Georgian president must go . Russian foreign minister made comment to Condoleezza Rice , ambassador says . Russian ambassador objects to disclosure of conversation . U.S. ambassador asks if Russia seeking `` regime change ; '' drawing Russian retort .