PORTLAND, Ore. – After months of planning, the Oregon Republican Party had to cancel their presidential debate just days before it was scheduled to happen. The two leading candidates, Mitt Romney and Rick Santorum, both declined invitations, according to Oregon Public Broadcasting, which was hosting the debate. Without the front-runners, organizers decided it wasn’t worth holding the debate. A party spokesman said the campaigns have changed strategies and don’t see the advantage of national debates. He said organizers did their best to make the debate happen, but in the end it wasn’t in the cards. "It is disappointing," said Oregon...