Russia’s done it with force, Spain with savvy, Team USA with unparalleled athleticism and Brazil with—well, Brazil’s undefeated, too. The South Americans barely snuck by the Aussies in the opener and withstood an indescribably impotent, four-point first quarter to keep Great Britain winless in game two. Thanks to that soft schedule and the even softer touch on Marcelinho Huertas’ floaters, Ruben Magnano’s squad are among the four teams with zeroes in the loss column. The ranks of the undefeated will shrink by