Topics include Iran's parliamentary-election results; U.S. support for Syrian opposition; potential U.S. talks with the Taliban; President Obama's Berlin speech; protests in Turkey, Brazil and Bolivia; market fever; 3-D printing. Guests: Council on Foreign Relations president Richard Haass; Anne-Marie Slaughter (Princeton University); Bret Stephens (The Wall Street Journal); Niall Ferguson (Harvard University); Neil Gershenfeld (MIT).