Next on the CBS Evening News…With Texas National Guard troops deployed to Chicago and legal battles brewing over federal actions, tensions remain high in the city’s latest flashpoint. Ahead on the CBS Evening News...Former NFL quarterback Mark Sanchez sidelined from the Raiders-Colts broadcast, after police say a violent alley altercation left him stabbed and facing criminal charges. Coming Up on the CBS Evening News' "Eye On America"...Doctors gave Chip just a few years to live, but the outdoors gave him a second chance, and a powerful new mission helping others do the same.