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>> dana: a growing national security risk along the southern border getting worse by the day as an alarming number of foreign nationals enter the country, make a run for it and then get away. we have no idea who they are, where they are going, what they are doing, or even why they're here. welcome to a new hour of "america's newsroom," i'm dana perino. that was a lot of questions. >> bill: yes, we'll try to answer as many as we can. good morning to you. the morning after here we're in new hampshire. big primary night last night. we get to all that analysis. i'm bill hemmer. sources t...

>> no reason to protect it other than you are going to try the throw the entire congress into chaos and nothing will get done. nothing at all will get done. and there is a lot the stake. i have also think we are going to have to move to the point where we fundamentally alter the filibuster. that remains to be seen. exactly what that means in terms of fundamentally altering it, whether or not we just end the filibuster straight up. >> bret: that's quite an evolution, ben. >> how different your attitude is when you move from the senate to the white house toward the filibuster you know and essent...