 Senate Democrats have been circling the wagons around President Biden following last week's poor debate performance. Calls have arisen inside the Democrat ranks to replace Biden as a party's nominee, fearing he cannot win after his diminished health was on full display in the debate. None of those calls, though, are coming from inside the U.S. Senate. That's where Democrats say Biden remains the party's best shot at defeating Donald Trump in November. Democrat Ben Cardin told reporters, quote,