One does not "get over" one's core principles. I hear we're also supposed to "calm down", and "straighten up", and "grow up" too, according to the 100-odd other vanity posts that attempt to convince conservatives to vote for a liberal by talking to us like we're children.
Maybe McCain was not your choice, but time has come to rally around the Person who will represent your party.
My core principles are bound by my beliefs. My beliefs are bound by my life experiences and observations. Principled conservatives dedicated their allegiance to their core principles, not to political organizations.
One person cannot be everything to all people. In a time of war (war will come to you in the form of Iran) who would you like defending you....
This guy?
...and concerning that illegal alien stuff...hell come around...
Classic battered spouse syndrome. "If I just stay with him, I'm sure he'll change!"