Pot-smoking travelers at one Colorado airport who need to ditch their stash before boarding can deposit their marijuana in an "amnesty box." The boxes began cropping up at Colorado Springs Airport on Wednesday to give passengers unaware it is illegal to carry pot on a plane the opportunity to dump their weed, The Gazette newspaper reported. While Colorado legalized recreational marijuana use on Jan. 1, major airports in the state have banned it on their facilities to comply with federal agencies, which still consider it illegal. ~snip~ Greg Phillips, aviation director of the Eagle County Airport near Vail, said the...