Jim Wilson, the peripatetic, profane, pipe-smoking volunteer for Mitt Romney whose ubiquitous pickup truck was destroyed in a fire last week, has a new set of wheels, donated by the campaign to which he has devoted a year of his life. Mr. Romney himself will present Mr. Wilson, a 70-year-old Virginian, with a replacement vehicle during an event in Sterling, Va., on Wednesday, ensuring that, until Election Day, Mr. Wilson can keep popping up at campaign stops in a truck festooned with dozens of giant “Romney for President” posters and stickers. ... Mr. Wilson, an anti-Obama Republican and former life...