Ambassador Susan Rice, former U.S. ambassador to the United Nations and President Obama's national security adviser, joins Alicia Menendez to share her reaction to the news that The Atlantic’s editor-in-chief, Jeffrey Goldberg, was accidentally added to a private chat on the messaging app, Signal, where military plans were discussed. For more context and news coverage of the most important stories of our day click here: https://www.msnbc.com/ » Subscribe to MSNBC: https://www.youtube.com/msnbc »

Tag-uri: accident