congress can enforce the subpoena. at one time they used to keep a jail in the bottom of congress, and if someone defied a subpoena, they could be thrown in that congressional prison. it hasn't been done since 1935. now you get a referral to the justice department, but the justice department is run by the president. they go to a judge to enforce a civil subpoena. you'll see giuliani will show up if he's subpoenaed, what he says is a different method. >> as to whether cory lewandowski -- >> i appreciate that. coming up next, a closer look at the serious concerns, the language that this president has been using, i'll talk to a