2020 Democratic candidates, like many presidential hopefuls before them, use late-night television appearances in hopes of bolstering their campaigns. CNN's Brian Stelter reports that late night now often comes with a dose of substance in addition to laughs.

Police are once again warning about the dangers of drug use after seven people appear to have overdosed at a Pittsburgh apartment. Three of the seven people are dead, while the other four are hospitalized. CNN's Polo Sandoval reports.