Dick Durbin, the longtime second-ranking Democrat in the Senate, announced plans to retire at the end of next year, setting off a succession scramble to take his powerful leadership spot in the chamber and a likely crowded primary in Illinois for the seat.

The race to replace Illinois Sen. Dick Durbin is growing more crowded by the day. People were ordered to evacuate from a high-rise building in Clearwater, Florida, after construction workers found a large crack in a pillar underneath the building. CBS News national correspondent Manuel Bojorquez reports.