Last spring, ahead of Universal’s release of the Tina Gordon-directed comedyLittle, star Issa Rae hatched a big plan to drum up support: She challenged Insecure pal Yvonne Orji to buy out a screening. Orji accepted and fulfilled the request, then kept it going by asking someone else who asked someone else who asked someone else who eventually asked Cynthia Erivo.So, when people started plunking down plastic to reserve entire theaters for Harriet when it came out Nov.