When President Mathis awoke, he saw his lovely sister in his arms, naked and peaceful as she continued to sleep next to him. The public's opinion simply didn't count as much as this wonderful lady in his, correction, the taxpayers' bed. He had never sworn not to commit incest, after all. He had taken an oath of office to do a good job for the nation, properly carrying out his duties as Chief Executive.
Luckily, the act for which some might still condemn him was no longer a crime. The Supreme Court decision of Nelson vs. Maine had overturned all incest laws in 2009. The majority opinion of 5 justices was that "insufficient public interest was affected, negatively or otherwise, by the practice of incest to justify a state ban of the sexual activity in question".
This ruling meant that incest was protected by the constitutional right to privacy. While the decision was still unpopular with the Religious Right, most people had come to grudgingly accept it. That didn't mean, however, that the social taboo had vanished. Many people would still regard it as "unbecoming" to the office of President.
The most that he could hope for was to finish his term. To seek a full term would be to throw away his party's chances of re-election, already slim. He might not even win the nomination.
While the Leader of the Free World thought about all of this, his sister, the official hostess of the White House, opened her eyes and looked at him with obvious passion.
"Good morning, lover," she winked at him.
"I thought you were going to call me, 'Mr. President'," I half-seriously complained.
"Most of the time, at least in public. Still, I do like to call you other things," she told him.
"Well, I don't exactly object to being called 'lover'. Patty never called me that, you know," he informed her.
"How sad! You know what is worse, though?" she asked facetiously.
