. >>> a 16-year-old goes swiming in a lake and winds up dead, thanks to a brain eating ameba. dr. michael baden joins us live to tell us how that happens. see you top of the 1:00. jenna: america's asking about the economy and back with us, we now have economist mark zandi, chief of moody's analytics. mark, we certainly have a lot of questions, first to the extension of the payroll tax credit and also the extension of unemployment. a lot of our viewers have the question about where we get the money to do that if we're also in a time where we're cutting so many programs. is the money actually available to do that? >> yeah, that's a great question. we'll have to borrow the money, so that would add to the decifit in the near term. but i think we could and should pay for it in the longer run. so what we would do is marry those cuts, an increase in the e.i. benefits, with future cuts in government spending and or tax increases. so i think we should pay for it but pay for it over a longer period of time, over the next decade. but it's a very good point. jenna: as you mentioned to us, you

coming into contact with the amoeba on the first day of fishing trip, cart courtney nash died after swiming in a florida lake. the cdc says cases like these are extremely rare, they have confirmed only about 120 cases since identifying the amoeba in the 1960s. nearly all of the cases were fatal. >>> pope benedict xvi arriving in spain celebrating the youth day festival, right now joining a procession of the young and faithful from around the globe but this event has not been without controversy. greg burke joins me live on the phone from madrid. greg. >> reporter: megyn, that's right, pope benedict is getting his formal entry into madrid now. there was a small ceremony at the airport earlier today, now he's going to get the keys to the city. this is the first of groups leading the young people, and you can hear them shouting as he makes his way in the popemobile. some of the people have been waiting all day, about half a million are here for youth day, the reason why pope benedict is here. lots of enthusiasm, you can see that on the streets, definitely, but the trip has not been without con