Obama says he has not yet made a decision on Syria strike

• Senior Obama officials to brief congressional leaders on Thursday
• Obama has received options from the US military on a potential strike but has not yet made a decision
• Obama does not believe Syrian opposition possessed chemical weapons, has concluded that the Syrian government carried out the attacks
• Obama says goal of ‘limited, tailored’ military strike would be to ‘send shot across the bow’ to deter future chemical weapons attacjs
• Says US can use an approach in Syria that does not draw it into a long conflict or repetition of Iraq war

From a PBS interview, headlines over Reuters