text:  Live from NPR News in Washington, I'm Janine Herbst. Congressional Democrats are still deeply divided over President Biden and his future with the party, as many struggle with serious questions about his fitness for office after a string of disappointing public and private appearances raised questions about his ability to lead. Senate Democrats today are expected to talk about calls for Biden to withdraw from the race during a closed-door meeting. Senator Dick Durbin was asked about his level of confidence in the president. It's all I have.