big question here, the u.s. has given pakistan $18 billion in aid since 9/11. maim to fight terrorism. which brings us to today's "talk back." carol costello has your responses. >> a lot of people angry that pakistan didn't notice that big old mansion owe samma was hiding out in. who was that behind those big concrete walls? our "talk back" question, should u.s. freeze pakistan funding until we get answers. this from bill, stop the madness, do not give another dime, we are broke. give us our social security cost of living raise, you jerks. that's saying it clearly. hey, some of my facebook friends are tough. this from john. the american belief has always been innocent until proven guilty. pakistan has provided valuable information about terrorists over the years. if they are found to have been harboring bin laden, then, yes, no more funding. this from tom, yes, of course, we can better use that money to