Core Trump supporters dig in while others grow nervous

The ranks of President Trump’s strongest backers are a bit smaller today than when we last checked in with the Nation Tracker, as the weight of the FBI investigation appears to be taking a toll, and Americans’ optimism and confidence in his presidency have slipped.
Meanwhile, the ranks of his most ardent detractors have grown, as some who once said they were willing to give him a chance, or supported him conditionally, count themselves as opponents today.
Those who do remain firmly b