Before coming to Washington, Rand Paul was an eye doctor and anti-tax crusader in Kentucky. Marco Rubio was speaker of the Florida House. Ted Cruz was the top appellate lawyer for the state of Texas.
Those jobs would seem to pale beside their current position as members of the U.S. Senate — or the World's Most Exclusive Club, as it fancies itself.
But each is busily dredging up those occupational fragments as they pursue the White House, for a simple reason: Like the current occupant, all three Republicans are trying to win the presidency before they finish a single term on Capitol Hill.
That shared trait with Barack Obama is not a welcome thing, especially in...