Hillary Clinton has a large and perhaps growing lead in the nation and in many of the predominantly white battleground states where Donald Trump was thought to have his best shot, according to a wave of new surveys released in the last two days. …
In general, it’s not worth overthinking post-convention bounces. They don’t necessarily even reflect real shifts in voter attitudes, just changes in how likely people are to respond to surveys. But strong conventions can speed up unification of divided parties and usher in a real shift.
Part of the reason Mrs. Clinton’s bounce seems more likely to last is that it seems to be coming from greater party unity: growing support from Bernie Sanders’s backers. CONT.
Nate Cohn, New York Times