CTA riders crowd the platform at Fullerton on Monday morning, when switching problems cascaded into major delays on at least five train lines that use the elevated tracks in the Loop. (Supplied Photo)

Switch Problem Fixed, Loop Trains Back To Normal

Morning commute snarled by significant delays, but normal service restored by Monday afternoon.

Flight status boards at O'Hare International Airport. (Credit: CBS)

Airlines Bracing For East Coast Blizzard

Airlines have canceled 3,400 flights nationwide ahead of potentially historic snowstorm.