If one mayor represented all of Alameda and Contra Costa counties, that person's 2.5 million constituents would live in the country's fourth-largest city. And just as these East Bay counties are very different from the rest of the San Francisco Bay Area, the East Bay Express is a very different paper. From the international populations that make Oakland and Richmond so dynamic, to the ideological diversity that separates Berkeley from Walnut Creek, our readers are united by their love of a region that is second to nowhere in beauty, livability, intellectual firepower, and cosmopolitan charm.…