By MICHAEL LUO and GRIFF PALMERLast December, someone using the name “Test Person,” from “Some Place, UT,” made a series of contributions, the largest being $764, to Senator Barack Obama’s presidential campaign totaling $2,410.07. Someone identifying himself as “Jockim Alberton,” from 1581 Leroy Avenue in Wilmington, Del., began giving to Mr. Obama last November, contributing […]...