9/11 memorial runners promise to remember: ‘It’s our job as folks that lived through it to keep that memory alive’

Some 9/11 victims’ relatives have appealed to presidential candidates for accountability as the U.S. marks an anniversary laced with election-season politics.

Cyclists from the September 11th National Memorial Trail Alliance ended the 700-mile trek in Philadelphia on Monday.

Help us mark the 20th anniversary of the 9/11 attacks and tell us: Where were you?