Here is a list of some of the biggest news stories of 2015. 1. ... a bystander video shows Officer Michael Slager pursuing and then shooting Walter Scott in North Charleston, S.C. on April 4, 2015.

A look back at some of the biggest political stories of 2015. — -- Here's a look back at some of the biggest political headlines and moments in 2015: Hillary Clinton defends her use of ...