"Great" candidates? I don't think there are any. At least not any who are running for the presidency. What I am confident of, however, is that aren't any worse than the White House's current occupant. He's been a disaster, RIM, and there is no chance ... none ... zero ... that what SOS advocates for will ever be realized so long as Obama is the Chief Executive.
This guy absolutely has to go if we ever hope to see the borders secured and illegal aliens removed by the millions. It just doesn't get any simpler than that.