These 10 cities had the highest levels of year-round pollution, according to the American Lung Association.
|Saving Obamacare is now up to Trump|
|Some Trump-friendly media striking out at him after health care failure|
|What the failed Obamacare repeal means for tax reform|
|U.S. workers face higher risk of being replaced by robots. Here's why|
|The 20-year-old leading the March Against Revenge Porn|