Nationals fans are living in a brave new world this morning after the team completed its first second sweep of the season on Sunday, a home stand against the Cincinnati Reds. Most of the credit is going to new youngsters Emilio Bonifacio and Alberto Gonzalez, who have injected some much-needed energy into the Nats roster. But over at RotoNation, one blogger noticed a fan sporting an Obama-themed Nats jersey on Friday night. Coincidence? If Barack......