When Nate Silver packed hisĀ FiveThirtyEight.com flag into a box this summer and trundled it from the New York Times, where it had flown for the last three years, for planting at ESPN, he cemented his status as one of the Marquee Brothers, that fraternity of overachieving reporters whose journalistic triumphs have inspired media outlets to grant them nation-state status inside the greater organization.