Speaker Pelosi: Trump 'is ethically unfit' to be president

10:36

House Speaker Nancy Pelosi (D-CA) joins Andrea Mitchell, voicing support for Congressional action on Dreamers following the Supreme Court's decision to uphold the DACA program, detailing the latest on negotiations in Congress over police reform legislation, and slamming President Trump's fitness for office in response to some of the revelations from John Bolton's upcoming book.