How much terror will Frank and Claire cause?
At the end of the season, it was obvious Frank and Claire were under a world of hurt. Not only because they worked so hard to become a power couple with her being Vice President, but now everyone was tearing them down at exactly the wrong time. So they went on the offensive.
Knowing Frank, he will burn down and destroy everything in his path for revenge, but how far will he really go? Does he have too many enemies at this point to go to war with them all?