There is more than one way to skin this cat. Since the president must first be invited into the House chamber before he can give his SOTU address, Congress could take the initiative and withhold the invitation.

Indeed, those old monarchists in the Kingdom have ritualized this sort of snub. By tradition, when the Queen’s representative (the “Black Rod”) tries to enter the House of Commons, he finds the door promptly slammed in his face — a symbol of parliament’s independence. He must then knock on the door with his mace (the Rod) to gain entry.