FILE - In this Monday, March 24, 2014 file photo, a Chicago Transit Authority train car rests on an escalator at the O'Hare Airport station after it derailed, injuring more than 30 people, in Chicago. Had the crash occurred during the day, when the trains are often full and the escalator packed with luggage-carrying travelers, far more people likely would have been injured, some even killed, said Joseph Schwieterman, a transportation expert at DePaul University.  (AP Photo/Andrew A. Nelles, File)

Chicago train crash caught on tape

CHICAGO (CBS) – A video posted and then removed from YouTube appears to show the moment a CTA Blue Line train jumped the tracks and slammed …

Microsoft CEO Satya Nadella gestures on stage while speaking during a press briefing on the intersection of cloud and mobile computing Thursday, March 27, 2014, in San Francisco. Microsoft unveiled Office for the iPad, a software suite that includes programs such as Word, Excel and PowerPoint, and works on rival Apple Inc.'s hugely popular tablet computer. (AP Photo/Eric Risberg)

Microsoft unveils Office for iPad

SAN FRANCISCO (AP) — Microsoft on Thursday unveiled Office for the iPad, a software suite that includes programs such as Word, Excel and Pow…