Watch a top Democratic candidate’s painful response to whether Hillary Clinton is honest

It's the question Republicans have been trying to avoid for months: Do you support Donald Trump in the 2016 election? Some say they support the party's "nominee" -- not mentioning him by name -- while others even physically flee.

But Democrats have an unpopular presidential nominee, too, and apparently fully embracing Hillary Clinton may not be so simple for some in tough 2016 races.