How you respond to setbacks is what defines your character, says Stacey Abrams, the first black woman in the history of the United States to be nominated by a major party for governor. In an electrifying talk, she shares the lessons she learned from her campaign for governor of Georgia — and some advice on how to change the world. “Be aggressive about your ambition,” Abrams says. The TED Talks channel features the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design — plus science, business, global issues, the arts and more. You’re welcome to link to or embed these videos, forward them to others and share these ideas with people you know.