Jay Evensen: Believe it or not, the air has gotten better

The caller was so angry she never gave the mayor a chance to respond.“You simply must do something about the terrible smog in Salt Lake City,” she said. “I simply can’t stand it any longer.”If nothing was done, she said, “I’m going to sell my house and move to Los Angeles.”The call could have happened any time during the last week or so as skies along the Wasatch Front inched closer to the ground and the mountains disappeared faster than anything D