Iranians take to the streets to protest government after it admits downing plane

After the U.S. killed an elite Iranian general, the regime in Tehran hoped to unify its people, many of whom had been protesting against Iran's government for months. But then Iran's military accidentally shot down a passenger aircraft and denied it for three days, driving civilian dissenters into uproar against the Islamic Republic instead. Nick Schifrin reports and joins Judy Woodruff.