People in the crowd hold up an image of Stacey Abrams as President-elect Joe Biden speaks in Atlanta, Monday, Jan. 4, 2021, to campaign for Georgia Democratic candidates ...

In this Nov. 4, 2016, photo, Nebraska Democratic Party chairwoman Jane Kleeb is about to introduce Sen. Bernie Sanders, I-Vt., during a rally for Democratic presidential ...

For some candidates, surrogates help keep their hands clean of controversy by acting as an attack dog. He called out her rivals by name during a recent campaign swing thr...