Ret. Gen. Stanley McChrystal joins Morning Joe to discuss his new book ‘On Character: Choices That Define a Life’. 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 » Subscribe to MSNBC on TikTok https://www.tiktok.com/@msnbc » Subscribe to MSNBC on Instagram https://www.instagram.com/msnbc…