september 11th. this half hour, a pause in politics. candidates tone down their rhetoric. as a poll shows a significant boost for president obama. plus a technology trifecta. how gps, iphone, and onstar helped foil the abduction of a child of a well known abc star. quite a story. >> yes, it is. and quieting a cry. a study shows that soothing a crying baby may only solve to calm the parents. but i've got to tell you. >> i want to pick the baby up. >> yeah, i can't deal. it stresses me out just hearing it. oh, so cute. ah, look at those faces. but first, americans are remembering another fall tuesday 11 years ago. >> here in new york the world trade center site is shining red, white, and blue. it's a beautiful sight. those haunting beams of light pierce the night sky where the twin towers once stood. now, the day will be marked with memorials and moments of silence that begin with a reporter from