President Barack Obama's administration will spend 2015 taking on energy controversies from fracking to smog, from interstate air pollution to coal-burning power plants - and in December, his negotiators will head to Paris to try to reach a global agreement on climate change. In between all that, he just might make a decision on the Keystone XL pipeline.

Three times in the past year, including just last month, the Food and Drug Administration has issued warnings that counterfeit cancer drugs originating overseas infiltrated the U.S. pharmaceutical supply chain, putting patients at risk.