Is a perfect storm of Zika conditions coming to the U.S.?

In the wake of the CDC’s revelation that Zika virus causes microcephaly in infants, doctors are grappling with the thorny issue of whether they should recommend that women in high-risk areas avoid getting pregnant this summer. Hari Sreenivasan talks to Dr. Peter Hotez of Baylor College for more on how medical experts are confronting the prospect of Zika in the U.S.