At-risk Republicans have a problem: Trump

The congressional map as it stands now — three months out from the election — paints a cautiously optimistic picture for Democrats, who could see their majority grow.  POLITICO reporter Ally Mutnick talks with Scott Bland about how Donald Trump's current numbers are affecting the way that Republicans in suburban districts are campaigning. Scott Bland is the host of Nerdcast and a politics editor at POLITICO.Ally Mutnick is a campaign reporter for POLITICO.Annie Rees is a producer for POLITICO audio.Jenny Ament is senior producer for POLITICO audio.Irene Noguchi is the executive producer of POLITICO audio.