President Trump wants National Guard troops in America's biggest and bluest cities. Detroit Mayor and Michigan Gubernatorial Candidate Mike Duggan (I) joins Katy Tur to discuss Trump's crackdown on crime and immigration and shares more on why he switched from being a Democrat to an Independent. Our next MSNBC Live event is on October 11th in New York City! Buy Tickets Now: msnbc.com/live25 For more context and news coverage of the most important stories of our day click here: https://www.msnbc.