Top Stories: Boston Bombing Trial; Bitter U.S. Cold : The Two-Way Also: Bad weather hampers AirAsia recovery work; Buckingham Palace again denies a sex claim against Prince Andrew; and Wisconsin police say somebody put a diamond ring on their agency Christmas tree.

Top Stories: Boston Bombing Trial; Bitter U.S. Cold

Good morning, here are our early stories:

-- Boston Bombing: 5 Things To Know About The Tsarnaev Trial.

-- Oh, It's Winter: Huge Swath Of U.S. Will Be Bitterly Cold.

And here are more early headlines:

Hearing Today For Suspect Accused Of Killing Pennsylvania Trooper. (Philly.com)

Tornadoes Reported Sunday In 3 States. (Weather.com)

Blustery Weather Slowing AirAsia Recovery Efforts In Java Sea. (Time)

House Speaker Boehner Faces At Least 2 Challengers For Post. (CNN)

Buckingham Palace Issues 2nd Denial Of Prince Andrew Sex Claim. (Guardian)

Wisconsin Police Find Diamond Ring On Officers' Christmas Tree. (Milwaukee Journal-Sentinel)