And most, 55%, now say they think the President has attempted to interfere in the investigation, up from 51% saying so in January. Approval ratings for Robert Mueller's handling of the investigation have held steady, with 47% saying they approve of his work and 33% disapproving. Partisan gaps are quite wide on concern about several aspects of Russia's efforts to influence the 2016 elections. Overall, 66% are concerned about Russian operatives' contacts with people involved in Trump's campaign, that includes 91% of Democrats and 63% of independents but just 36% of Republicans. Trump's approval rating for handling national security more generally is also low: 40% approve, 50% disapprove.

Source: CNN February 27, 2018 11:03 UTC