The reason: they have a vested interest in prolonging this race, and a Santorum collapse could allow Romney an early coronation.
I am skeptical, as I have a vested interest, having dated a foreigner for many years.
Among other things, Egypt has a vested interest in not being sucked back into control of, and responsibility for, Gaza.
As The Village Voice freely admits, it has a vested interest in this debate.
Unless you have a vested interest in it, you're not going to stand up to those who are against it.
It should begin at once, giving at least the new-born a vested interest in freedom which could not be taken away.
You respect her because she is permanent, as you respect a vested interest.'
Why should he attempt to see the falls for nothing, seeing that this woman has a vested interest in the showing of them?
When I hear these people talking I always hear some organized or vested interest chirp or quack, as it does in the newspapers.
The railroads, which run for private profit, are public carriers, and the public has a vested interest in them as such.
A phrase that indicates a deep personal (and possibly financial) interest in some political or economic proposal: “As a major stockholder of the Ford Motor Company, Senator Bilge had a vested interest in legislation restricting the import of Japanese autos.” The plural, vested interests, often refers to powerful, wealthy property holders: “His radical policies enraged vested interests.”