Last Word with Lawrence O’Donnell 9/30/16 | Trump: No regrets about late-night tweet rant
*Donald Trump defended his early morning tweet-storm attacking Hillary Clinton and former Miss Universe Alicia Machado, saying "now people understand" the situation. Lawrence talks with Rick Wilson, Maria Teresa Kumar, and Josh Barro.
*The Washington Post's David Fahrenthold reports the "Trump Foundation lacks the certification required for charities that solicit money." If Trump's charity is found to have violated state laws, it could be ordered to stop raising money.