Manchin has worked to moderate Democratic proposals, and he has enormous power in a Senate equally divided between the two parties. Sanders is the voice of progressives who want to expand the infrastructure bill by adding ambitious health insurance reforms to it. While Manchin is interested in giving time for bipartisan talks to flourish, Sanders wants Biden and his party to move quickly to enact the biggest reforms possible. “Manchin’s the right pressure, [Sanders] is the left pressure. “Right now, we’re working on making sure that we have Medicare included into the reconciliation bill,” Sanders said.