David Cameron arrives in US buoyed by Russian signals on Syria

British prime minister will tell Barack Obama he believes Vladimir Putin is now more open to putting pressure on Assad regime

http://www.guardiannews.com/
http://www.guardian.co.uk/politics/2013/may/13/david-cameron-arrives-us-syria#start-of-comments?guni=Network%20front:network-front%20main-3%20Main%20trailblock:Network%20front%20-%20main%20trailblock:Position1