Democratic strategist Scott Mulhauser, who served as Vice President Joe Biden's deputy chief of staff in 2012, discusses the upcoming debates and what's at stake for the frontrunner. Mulhauser also discusses the politics of impeachment for Speaker Pelosi, and offers his perspective on the staff shakeup at the Democratic Congressional Campaign Committee.

Mulhauser, who served as chief of staff at the US Embassy in Beijing, details why Democrats may be following Trump's lead on China on the campaign trail.