up. lisa murkowski has been certified as the winner of alaska's u.s. senate race. the state's governor and lieutenant governor signed the paperwork yesterday, making her the first senator to be elected in a write-in campaign since 1954. murkowski waged a write-in campaign after losing the republican primary. she won by just over 10,000 votes. it is the end of an era in photography. the last machine that processed kodachrome has shut down. kodak stopped making the iconic film last year. david muir has a look back on its impact. >> reporter: it was the first film to show color, a revolution in 1935. in 1935. kodachrome capturing miss america in atlantic city, 1947. roy rogers. sir edmund hillary climbing to the top of mt. everest. this woman on "national geographic." photographed by steve mccurry. it was mccurry who was given the last roll of kodachrome ever made. and he took these of actor robert de niro. a quiet moment at new york's