and emily dickinson's garden. but first, the other news of the day. here's hari sreenivasan in our newsroom. >> sreenivasan: dozens more people died in afghanistan today. a provincial official reported at least 39 afghans were killed by an explosion in kandahar province. the victims were taking part in a large marriage ceremony. earlier insurgents shot down a nato helicopter in helmand province killing four american troops. a british soldier died in a bombing in helmand. in neighboring pakistan, militants attacked a nato convoy just six miles outside the capital of islamabad seven people were killed. the assault also damaged 30 trucks transporting military supplies to afghanistan. police said about 15 militants opened fire with automatic weapons, then torched the trucks. the debt crisis in europe should have only-- should have only a modest effect on the u.s. economy if the stock market stabilizes. ben bernanke offered that outlook today to congress. >> although the receipt fall in equity prices and weaker economic prospects in europe will leave some