This week's broadcast, hosted by Mo Rocca, features Tony Dokoupil's cover story on vaping, and how e-cigarettes may make traditional cigarettes obsolete. Also: Tracy Smith visits with Steve Perry, the former frontman of Journey, who left music behind in the late 1990s but is now back; Michelle Miller talks with actress Kerry Washington about co-founding Time's Up; Liz Palmer walks through a grand new park in Moscow designed by an American; and Mo Rocca dishes with veteran gossip columnist Cindy Adams.