Mitt Romney will embark on a four-day bus tour on Saturday that will take him to Virginia, North Carolina, Florida and Ohio, his campaign announced Monday.
The plan for a drive through swing states comes as Mr. Romney is expected to announce his running mate soon. That the last stop is in Ohio has prompted speculation that his choice will be Senator Rob Portman.
Other potential nominees who are from states on the route include Senator Marco Rubio of Florida and Gov. Bob McDonnell of Virginia, who is the head of the Republican Governors Association.
Keeping with tradition, Mr. Romney and his surrogates have been tight-lipped about the vice-presidential selection process. “I have nothing for you on the vice-presidential front,†Mr. Romney said in an interview shown on CNN on Sunday.
“I give you nothing on that,†he said. “But I can assure you that by the third day of the Republican convention, we will nominate a Republican V.P.â€
