DES MOINES, Iowa — As Bernie Sanders was stuck in Washington during the long hours of opening arguments in President Trump’s impeachment trial, Alexandria Ocasio-Cortez, 30, held multiple rallies in Iowa to energize supporters of the Vermont senator.

“Iowa, are you ready?” the Democratic congresswoman from New York asked a cheering crowd in Ames, Iowa, last weekend. “We all have something to give. All of us have power. In this moment, we just need to dig down deep and acknowledge it in ourselves.”