But there were signs of hard-fought unity within the Democratic Party this week, and even some die-hard Sanders supporters felt more comfortable voting for Clinton.
The point was only made clearer by the makeup of the assembled crowd -- it is Vermont, after all, made up of many activists and die-hard Sanders fans as quirky as the candidate himself.
It is one of her most consistent labels; she has die-hard Sander addicts - serious, professional women who can't imagine buying their trouser suits, coats and cashmere knitwear from any other designer.
Still, old habits die hard and Sanders admitted she still carried reams of paper around with her.
Amazon, as could be predicted, pushed back hard, saying Sanders's claims were "inaccurate and misleading" because he did not differentiate between full-time, part-time and temporary employees.
Running against a former secretary of state, it was always going to be hard for Sanders to win a debate on foreign policy.
She also went hard at Sanders, a Vermont independent senator, as too conservative on gun control and too radical on health care.
"It's hard for Sanders to make up that kind of ground in a pretty short period of time". About half of the electorate in South Carolina's Democratic primary is black, and polls show Clinton leading the group with a wide margin.
She seems harder than Sanders".
