We now have four polls out that were taken after the Republican convention: CNN, CBS, Morning Consult, and Gravis Marketing. They show an average post-convention bounce for 
Trump of 6.3 points. That’s higher than the normal GOP bounce of about 4 points. They also show Trump leading Clinton by an average of 2.5 points.
This is not, by itself, anything for Democrats to be worried about. They’ll get their own bounce this week, and it won’t be until mid-August that everything settles down and we have a good idea of where everything really stands. But we can say two things. First, Donald Trump is suddenly going to start talking about polls again. Second, although liberals might have thought the Republican convention was a dumpster fire, it’s obvious that Trump’s message—even delivered in angry, apocalyptic tones—resonates with a lot of people. Democrats better hope that Team Hillary has an effective answer to that.