Bias exposed: Media asks Bloomberg groups how to cover mass shootings

Gun-control activists want reporters to pledge in writing to cover gun violence their way.

Former New York City Mayor, billionaire and gun-control advocate Michael Bloomberg. (Source: official photo)

Have you ever heard of The Trace?

It describes itself as the “only newsroom dedicated to reporting on gun violence.”

It has slick digital packages that are chockfull of stories, photos and videos, so it’s easy to confuse the Trace with an actual n…