" Who is the arbiter of the Constitution?

"Now, the President may be right in how he reads the Constitution," Jaworski said. "But he may also be wrong. And if he is wrong, who is there to tell him so? And if there is no one, The President, of course, is free to pursue his course of erroneous interpretation. What then becomes of our constitutional form of government? ... That nation's constitutional form of government is in serious jeopardy if the President, any President, is to say that the Constitution means what he says it does and that there is no one, not even the Supremer Court, to tell him otherwise. "

― Bob Woodward , The Final Days