Alexandria Ocasio-Cortez, 28-year-old from the Bronx, defeats Rep. Joseph Crowley in N.Y.'s 14th …

Alexandria Ocasio-Cortez, 28-year-old from the Bronx, defeats Rep. Joseph Crowley in N.Y.'s 14th …

In a major upset, Alexandria Ocasio-Cortez defeated Democratic Rep. Crowley. Cortez used grassroots strategies to gain supporters. Crowley, who has served on Congress for 10 terms, was expected to be Nancy Pelosi’s successor. Nancy Cordes joins CBSN’s Elaine Quijano with more.