Gov. Chris Christie today will endorse Republican candidate Steve Lonegan, his former rival, for the U.S. Senate special election in October. Christie, who is running for re-election this year in the gubernatorial race, will appear with Lonegan today at the headquarters of the Hunterdon County Republican Committee to make his endorsement at 4 p.m. U.S. Sen. Jeffrey Chiesa (R-N.J.), Christie's pick to fill the seat temporarily after Sen. Frank Lautenberg's death in June, is slated to endorse Lonegan on Wednesday. The Christie endorsement -- coveted by GOP politicos across the country, including presidential candidate Mitt Romney last year -- marks...