gerri: dr. cliff, thanks for being with us today. it. >>> and tonight, new developments in the wrath of heartbleed. the computer bug may have put clients of the largest u.s. mutual funds, one of the largest fund families at risk of having personal information stolen. american funds part of capital group is advising 825,000 shareholders to change their passwords out of an abundance of caution. the heartbleed bug may have exposed customers to access accounts on the american funds website between december 12th of last year to april 14th this year. a spokesperson for the firm says it is issuing the notice after learning unidentified vendor had been affected by heartbleed, pay attention to that. >>> still to come, my "2 cents more" and are you always losing your keys and finding your wall net strangest places? we have ways to end the memory lapses, coming up. . gerri: are you one of those people constantly forgetting where you put your wallet? why we forget and how to remember, coming up. humans. we are beautifully imperfect creatures liv

dr. pinker, you say people are less likely to see a violent death than any other point in history. you spend six chapters. give me the cliffsd on many scales of time and magnitude. homicide is down compared to centuries ago. wars are less common and deadly. domestic violence is down. racial minority violence is down. people spank their kids less than they used to. any way you want to measure violence, the trend is downward. >> even when you control for war, that trend has been downward? >> that is right. most dramatically since the end of world war ii. when the most destructive kind of war, when you have two big rich countries fighting each other, has almost disappeared off the map. for most of history, the 800-pound gore wiillas were at other's throats. since 1953, big countries stay out of each other's faces. >> what accounts for the long piece in your book? >> the world is more connected. countries trade with each other and it becomes cheaper to buy things than to plunder them. there is a norm against international war con quequest. if you were a big country, you tried to expand your country. since the united nations, an