Political force or fad? Young voters clout uncertain

In this March 24, 2018, photo, U.S. Rep. Val Demings, from Florida's 10th congressional district, responds to demonstrators during a rally in downtown Orlando, Fla., as a part of the nationwide protest against gun violence across the U.S. They have walked out, marched and demanded action across America to stop gun violence. But it's far from certain that the young people behind the "March for Our Lives" movement will be a political force at the ballot box this fall. (Joe Burbank/Orlando Sentinel via AP)

NEW YORK — They have walked out, marched and demanded action across America to stop gun violence. But it’s far from certain that the young people behind the “March for Our Lives” movement will be a political force at the ballot box this fall.