NATO invites Montenegro to join alliance

BRUSSELS (AP) — NATO member states have formally invited the tiny Adriatic nation of Montenegro to join the alliance in the face of Russian …

FILE - In this Jan. 23, 2013, file photo, a poor air quality sign is posted over a highway, in Salt Lake City. Environmental advocates will try to persuade the Utah Supreme Court Wednesday, Dec. 2, 2015, that the state's approval of an oil refinery expansion would add to air quality woes in northern Utah, parts of which suffer from some of the nation's worst air in winter. (AP Photo/Rick Bowmer, File)

Utah Supreme Court hears air quality case

SALT LAKE CITY (AP) — As a dirty layer of winter air hovered over the city Wednesday, a coalition of environmental groups asked the Utah Sup…