With legacy on the line, Obama hitting campaign trail to boost Democrats in key governor elections

With Election Day in New Jersey and Virginia's very competitive and combustible races for governor just two weeks away, Democrats are bringing in one of their party's best campaign trail closers.Former President Barack Obama will headline rallies in New Jersey and Virginia — the only two states in the nation to hold gubernatorial contests the year after a presidential election — on Nov. 1, the Saturday before Election Day.For Democrats, who are aiming to escape the political wilderness after last year's stunning election setbacks when they lost the White House and Senate majority and fell shor