Overall, Americans remain deeply pessimistic about the federal government. Two in 3 offer negative reactions, including about a fifth who describe themselves as angry; Trump has tapped into that mood. The more dissatisfied that people are with the federal government, the more they are likely to support his candidacy.
A similarly strong majority see the political system today as dysfunctional, even slightly more so than in the fall. Trump does best among those who feel most strongly about the way the system works….
A similar pattern holds for two of Trump’s most controversial ideas — deporting all of the roughly 11 million illegal immigrants living in the United States and temporarily banning Muslims from entering the country as a security precaution. Overall, Americans oppose both, while more Republicans favor than oppose them. Trump has big leads among those who support those policies, but those leads disappear among opponents.