Concord, N.H. (AP) -- A federal appeals court on Wednesday reversed the conviction and sentence of a former Republican National Committee official accused in a phone-jamming plot on Election Day 2002. James Tobin, the former regional chairman of President Bush's re-election campaign, was convicted in 2005 of helping to arrange more than 800 hang-up calls that jammed get-out-the-vote phone lines set up by the state Democratic Party and the Manchester firefighters' union for about an hour. Republican John Sununu defeated then-Gov. Jeanne Shaheen for the Senate that day. Tobin was sentenced to 10 months in prison. But the 1st U.S....