The DNC has had a party atmosphere in Chicago this week, but the once-every-four-years pep rally is set to hear serious testimony about gun violence on its final night.
That will include a speech from former Rep. Gabby Giffords, who narrowly survived being shot in the head at an event in Arizona in 2011.
Giffords, who’s married to the former veepstakes finalist Sen. Mark Kelly (D-AZ), is slated to be the penultimate speaker before Kamala Harris takes the stage...