IRS says tax filing season to start Jan. 20 –

United, Orbitz sue man publicizing loophole to get cheaper airfares –

Small stocks play catch-up in tough year – USA TODAY

Why the US will power the world economy in 2015 – CNBC

Missouri ended week with lowest gas prices in the nation – Columbia Missourian

Amazon to expand Now service, signs 10M new Prime members – CNET

Where are the after-Christmas deals? – Rochester Democrat and Chronicle

3 On Your Side: Holiday Return Policy – CBS Local

Russia revises military doctrine to name NATO as chief threat – Los Angeles Times

Retailers, carriers improve holiday shipping performance – Chicago Tribune