Canada - World in images

•   RI's Cliff Walk still partly closed after Sandy; some say repair work could compromise nature
•   Quebec journalist and author in critical condition after car accident
•   Neon Museum lights up signs of old-school Las Vegas with new after dark tours
•   Cape service launches second season in Del. with additional vessel to ply Lewes-Rehoboth Canal
•   Protesters to 'March Against Monsanto' across US, around globe in collective anti-GMO rally
•   New frontiers, new risks: group gathers to discuss safety of space tourism