begin your journey at ancestry.com >>> state attorney general ben ferguson, along with other state attorneysaid that he would file a lawsuit over forced family separation of children and parents. he joins us now, along with cnn's chief legal analyst jeffrey toobin. bob ferguson, attorney general ferguson, in announcing your intention to file a lawsuit, you call the policy rogue and cruel. what makes it unconstitutional, though, in your opinion? >> sure. thanks so much for having me on, anderson. i appreciate it. there's two buckets of claims here, which we often have as we have challenged the administration 27 times in court. statutory claims. it's our view that the administration is violating federal law. when someone seeks asylum and comes to port of entry at the united states, what we want them to do, what we're getting report ons is that united states officials are saying to folks, no, we're full, and sending them away. that does not follow our asylum laws or federal laws. due process, equal protection are important. executive orders signed yesterday does not grandfather in the more tha