TransCanada already has begun construction on a southern section of the Keystone XL pipeline. Since it doesn't cross the U.S.-Canadian border, it doesn't require approval from the State Department and President Obama.
Sarah A. Miller/AP
A New York City police academy graduation ceremony on Dec. 28, 2012, where Mayor Michael Bloomberg announced that the New York murder rate has hit an all-time low. While some point to the NYPD's policing tactics to explain the decline, others say economic and demographic shifts are also at work.