>> bernie sanders is back on the campaign trail. this time, asking ohio voters to send his friend nina turner to washington. >> the next member of congress, nina turner. >> james clyburn spent the weekend here taking a different stance. saying president biden needs a loyal partner. >> he needs somebody there who will work with him. >> here in cleveland, a contentious congressional primary contest is reviving old divisions between the democratic establishment and the party's progressive wing. turner and brown are vying to fill the seat of marcia fudge, who stepped down to serve in biden's cabinet. heavyweights from across the party are weighing in. sanders and alexandria ocasio-cortez for turner. >> this is where elections are won. >> and hillary clinton and leaders of the congressional black caucus backing brown. >> there is no contrast. it's all about chantelle brown. >> tuesday's election is a key test for the party's direction and the biden agenda. with candidates and other...