In an interview with Charlie Rose, Gisele Bündchen reveals husband and NFL quarterback Tom Brady has had concussions. Bündchen is teaming up with environmentalist Paul Hawken to help promote his new book, "Drawdown."

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Delivered by Charlie Rose, Norah O’Donnell and Gayle King, "CBS This Morning" offers a thoughtful, substantive and insightful source of news and information to a daily audience of 3 million viewers. The Emmy Award-winning broadcast presents a mix of daily news, coverage of developing stories of national and global significance, and interviews with leading figures in politics, business and entertainment. Check local listings for "CBS This Morning" broadcast times.