Trump steps up attacks on pollsters

President Trump has stepped up his attacks on pollsters since his victory in November, raising concerns for an industry that was already facing challenges to its credibility.

Trump’s latest attacks came this week when he called for pollsters to be investigated as many surveys show him with historically low approval ratings for a president 100 days into a White House term. He is already suing longtime pollster Ann Selzer over a poll released before Election Day that showed him trailing in Iowa.