 Complete the following phrase:  David Finlay Breashears born December 20, 1955 is an American mountaineer, filmmaker, author, and motivational speaker. In 1985, he reached the summit of Mount Everest a second time, becoming the first American to reach the summit of Mount Everest more than once. He is perhaps best known as the director and cinematographer of Everest 1998which became the highest-grossing IMAX documentaryand for his assistance in the rescue efforts during the 