Nothing says love like a Philadelphia cheesesteak sandwich, according to Frankie Olivieri, the third-generation owner of Philly's legendary Pat's King of Steaks. He explains why to correspondent Susan Spencer.
Lily Hevesh may be the world's greatest domino artist. She talked with correspondent David Pogue about the patience and perseverance required to set up thousands of dominoes in intricate structures and patterns – and then knock them all down.