On the US campaign trail with the Democrat 'socialist'

In the US, the race for the Democratic party's presidential nomination is heating up. Former Secretary of State Hillary Clinton is suffering from reports of a criminal investigation into her private e-mail accounts. And that's been helping Clinton's only serious rival, Senator Bernie Sanders. Al Jazeera's Tom Ackerman reports from the campaign trail with Sanders in South Carolina. Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter   / ajenglish   Find us on Facebook   / aljazeera   Check our website: http://www.aljazeera.com/