On Love: Margaret Brennan and Yado Yakub

Margaret Brennan gave herself five years to become a broadcast journalist. Within two years, she was in front of the camera and, by age 26, had landed her first on-air contract. She has covered such top news stories as the European debt crisis, the resignation of Egyptian President Hosni Mubarak live from Tahrir Square and, most recently, U.S. nuclear negotiations with Iran.