“I’m not here to disavow people’s views,” El-Sayed, standing beside Piker, told reporters while at Michigan State University for a rally. “This whole gotcha game, platform policing, cancel culture — I thought we were over it. … I just think that we need to get over this if we’re serious about winning elections.” The progressive former Detroit health official’s association with Piker, who typically streams with candidates rather than stump for them on the trail, is emblematic of those in the party who see value in Piker’s younger online following that can bring additional exposure with would-be voters. Yet the...