A large crowd follows the path of those who marched 50 years ago . They are crossing the mount Pettus Bridge , named for a former republican leader . bush has called Saturday for renewal of Voting Rights rights .
A large crowd walks the footsteps of those who marched 50 years ago . They are crossing the Edmund Pettus Bridge , named for a former KKK leader . President Obama called Saturday for renewal of Voting Rights Act .