speaker ryan: as tempting as it is to comment on the senate, waints to give them a space to get their job done. we had a promise to keep and we kept it in the house. like forward to seeing the senate do the same. reporter: can i follow-up. would the house stay in session through august -- speaker ryan: if the senate gives us a health care bill. we'll stay and finish the bill. reporter: senator grassley is sending a letter to don jr., donald trump jr. asking him to testify about his meeting. should the president's son testify -- speaker ryan: any witness who has been asked to testify before congress should testify. reporter: in public? speaker ryan: anybody who is asked to testify to the senate should do that. reporter: a bill to re-authorize the f.a.a. to come to the floor as soon as next week. there's been changes to it from the effort last year, to remove air traffic control operations from f.a.a. you didn't bring it to the floor last year. what's changed this year? speaker ryan: i'll defer the specific questions to chairman shuster, but this bill has changed substantially. that's w