Not surprising. Obama is the Democratic establishment, and he is endorsing Clinton. It will be interesting to see if he can lure and appeal to young voters that turned out for him in 2008 and 2012 to turn out for Clinton. Can she galvanize the Obama coalition?
It's possible. Wouldn't surprise me to see the Democrat party having a smother ride in attracting voters and not having many protests. The Republican party unfortunately is going to have to deal with that. Because of all the protests and controversies.