Bernie Sanders is behaving a lot like a pragmatist (just don’t say it to his face). As the Senate Budget chair and a member of Sen. Chuck Schumer’s leadership team, the 79-year-old progressive is one of the most powerful people in Washington and finally has the opportunity he’s been waiting for his whole career: to pass a reconciliation bill with sweeping social reforms. If successful, the $3.5 trillion bill would be the biggest ever passed by Congress. The trick: Can he get it past the members of his own party?