. >> simon: magnus carlsen is the best in the world. just look at what he is doing, competing against ten players simultaneously. that, in itself, is not extraordinary, but magnus cannot see the boards; he's facing the other way. so he has to keep track of the positions of 320 pieces blind. and the number of possible moves? infinite. it... it transcends chess. i mean, i just can't fathom what you've just done. it seems like it's supernatural. >> cbs money watch update sponsored by lincoln financial. calling all chief life officers. >> good evening. janet yellen is sworn in tomorrow as the new fed chief. at&t is reducing cell phone plans for families with at least 10 gigabytes started today. and united airlines is shutting its cleveland hub, cutting 470 jobs. i'm jeff glor, cbs news. [ fishing rod casting line, marching band playing ] [ male announcer ] the rhythm of life. [ whistle blowing ] where do you hear that beat? campbell's healthy request soup lets you hear it in your heart. [ basketball bouncing ] heart healthy. [ m'm... ] great