A major gun control group is investing $5 million in digital ads focused on 15 Republican House districts that could turn blue in the upcoming midterm elections, Politico reported. Everytown for Gun Safety, which was founded by former New York City Mayor Michael Bloomberg, is targeting 15 suburban districts highlighted in the Democratic Congressional Campaign Committee's "Red to Blue" target list, according to the news outlet.The districts, which are mostly outside of cities, include communities in New Jersey, Georgia, Virginia, Colorado, Michigan and more, it added. “Suburban swing districts are going to make this election, and gun safety resonates extremely...