As we come to the end of 2014, Charles Osgood offers us some of the stories we'll remember . . . January brought the first death in anti-Russian protests in Ukraine. Those protests ultimately led to the Russian invasion of Crimea - and what some are calling a new cold war with the United States. Gallery: Ukraine protests grow more violent President Putin signs treaty to annex Crimea (03/18/14) Complete CBSNews.com coverage: Ukraine in turmoil In February, 15,000,000 viewers watched Jay Leno end 22 years as host of "The Tonight Show." Jay Leno on leaving "The Tonight Show" ("60 Minutes," 01/26/14) We'll remember March as the month that saw the disappearance of Malaysia Airlines Flight 370 with 239 people traveling from Kuala Lampur to Beijing. Source: cbsnews.com