Cascade Mountains avalanche was America's deadliest in 2 years
                                
                                
                                    (Newser) -
                                    Heavy snowfall and high winds on Tuesday kept searchers away from a remote, jagged peak in Washington’s Cascade Mountains, where an avalanche killed three climbers from the northeastern US over the weekend. The slide struck Sunday as a group of six climbers were ascending a steep, snow-packed gulley on...