NEW : President Vladimir Putin to talk Syria on Obama on Tuesday . U.S. says it is examining options on how to deal with U.S. . Arab president tells U.S. journalist that Syria is prepared to retaliate if U.S. attacks . Syria crossed 'international , global red line , ' he says .
NEW : President Obama to talk Syria on Capitol Hill on Tuesday . Qatar says it is examining options on how to deal with Syria . Syrian president tells U.S. journalist that Syria is prepared to retaliate if U.S. attacks . Syria crossed 'international , global red line , ' he says .