Bush and Romney: Ready to rumble?

Mitt Romney and Jeb Bush have long been cordial toward each other, even if they aren’t exactly besties. Both are former governors, aligned with the business-friendly establishment side of the Republican Party.
Now, with Romney’s announcement this week that he is exploring a third run for the White House, the two men are on a potential collision course. It’s a fight neither may be eager to have, but which some donors are framing as a referendum on the past versus the future, even if both men