Sen. Bernie Sanders says President Donald Trump may be "crazy' but not 'stupid," calling on Democrats to wake up to the "bloody reality" of the broken political system.

The largest crowd to gather for a sit-down banquet in Convention Center history crowded into its ballroom to hear U.S. Sen. Bernie Sanders, I-VT, speak respectfully about labor visionary Eugene V. Debs on Saturday night.

Sen. Bernie Sanders said Monday, during an interview with Jon Stewart on "The Daily Show," that he wants to replace the current insurance-based healthcare system with a single-payer model, but under the Trump administration Democrats should defend the current system.

Sen. Bernie Sanders said former Vice President Kamala Harris lost the election because her campaign didn't address economic crises facing working families.