Earlier this week, just hours before the first presidential debate in Denver, Aurora shooting victim Stephen Barton spoke out in a new ad, put out by Mayors Against Illegal Guns, asking the voters to pay close attention to how both candidates addressed gun violence.

How did this hot issue become a non-issue? Has the country forgotten about the Patriot Act? Or do the candidates just hope that we have? Karen Greenberg, director of the Center on National Security at Fordham University's School of Law takes a closer look as part of The Takeaway's Don't Mention It Series.

This election season the candidates have focused their message on the employment and the middle class. These issues are no doubt important, but what is the hyper-focus on economy leaving out of the campaign? The Takeaway series "Don't Mention It" looks at issues ignored this election year. Today, our subject is the war on drugs.

With just over a month till voting day, talk of climate change is essentially absent from campaign rhetoric of both presidential candidates. Elizabeth Kolbert, staff writer at The New Yorker, explains why.

Miami Herald correspondent Carol Rosenberg explains why Guantanamo is missing this campaign season, and what Americans still need to know about the detention facility.