coast in just a minute but first we want to talk to our white house correspondent suzanne malveaux. how is the white house building their case? >> first of all, they're taking the legal argument, making a case that this is not an issue of a violation of civil rights but this is a case of states versus federal rights and responsibilities and ultimately it is the responsibility of the federal government to protect the border and that cannot be taken over by the states. that's the main argument that's being made here in this lawsuit. the president also, kyra, is making a bigger point here because he believes you can't have this patch work of laws for different states all throughout the country, that you have to have something that is uniform and comprehensive, and that is why he is pushing forward his comprehensive immigration reform legislation. i want you to hear how the president is setting it up and pitching it to the american people. >> states like arizona have decided to take matters into