Boston bombing survivors react to Tsarnaev’s apology

Dzhokhar Tsarnaev, one of two men responsible for the Boston Marathon bombing that killed three people, was formally sentenced to death today. In the courtroom, Tsarnaev apologized to the victims’ families, and said he was sorry for all the suffering he caused. Emily Rooney of WGBH was in the courtroom, and speaks with Gwen Ifill about the sentencing.