Rep. Alexandria Ocasio Cortez, D-N.Y., and Sen. Bernie Sanders, I-Vt., grew irritated after being asked if Senate Minority Leader Chuck Schumer, D-N.Y., should be worried about a primary challenge from Ocasio-Cortez during a CNN town hall Wednesday. Rep. Alexandria Ocasio Cortez, D-N.Y., and Sen. Bernie Sanders, I-Vt., grew irritated after being asked if Senate Minority Leader Chuck Schumer, D-N.Y., should be worried about a primary challenge from Ocasio-Cortez during a CNN town hall Wednesday.