Mayor Bloomberg is in Europe to look at London’s surveillance system and Paris’ bike sharing program. Find out what the mayor does and doesn’t like about those ideas. Andrew Burroughs tells us what you should know about the inner workings of your telephone, and other feats of everyday engineering. Also, the Topps tainted meat recall, Elliot Spitzer courts the Transit Workers Union, and Ruth Wisse talks about Jews in power in America and Israel. Open phones ask the listeners: how will 9/11 affect your vote for President?