clinton still holds the lead but challenger bernie sanders gaining on her. we're hear from bernie sand ners just a moment. but first, let's bring in joe johns with more on the new poll numbers and a new warning from donald trump. >> good morning, alisyn, on a key issue when we ask questions does hillary clinton holds a commanding lead when it comes to foreign policy, handling isis and gun policy. but speaking of the economy which bernie sanders has been hammering away at, eight points still trailing clinton by the same margin. in a head-to-head matchup, this is one of the most interesting things about the poll, saying hillary clinton running neck and neck with all three of the top republicans. squeaking past donald trump, running two or three ticks behind ted cruz and marco rubio. important to say all three match up within the margin of error. meanwhile, the back and forth between donald trump and the former secretary of state continuing. donald trump pushing back against mrs....