It is good to know we have a standby president in case President Donald Trump somehow falters, or is impeached, convicted and thrown out of office. No, the standby is not Vice President Mike Pence, who also might be thrown out with Trump at the 2020 GOP convention, if not sooner. It is fellow job shopping Republican Mitt Romney, the new senator from Utah who, in a mean-spirited attack on Trump last week, let the nation and the world know that he is standing by to become president once Trump is removed from office. Romney is now known in Washington...