"When he says things that aren't accurate on TV, I'm going to interrupt [him]," Marie Harf said.
The chairman of the House Oversight Committee says he is disappointed with the new administration.
Chaffetz plans to reintroduce a 2016 bill to the House that would cap presidential pensions at $200,000.
Donald Trump's former national security adviser didn't receive permission as a former military officer for the 2015 trip, House Oversight chair says.
Secret Service employees disclosed personal information about Congressman Jason Chaffetz to the media.