Wash Led News Today

U.s. president barack obama left ireland for great britain a day early on monday night in case the ash led to airport closures. now you may remember it was almost this time last year that an ash cloud lingered over european air space, messing up travel plans for millions of people. and indeed cost airlines and the economy a bundle. lets go to emily reuben for more on what could turn out to be another expensive cloud. how much it cost last time? >> charles, let me go to that in a minute. we have ...