Largely lost in the hubbub over former Defense Secretary Leon Panetta’s new book Worthy Fights is one intriguing revelation. As reported in the New York Times, the accusations that Barack Obama was not what he appeared to be, perhaps not even a natural-born citizen, caused him to become tentative on the national stage. “Those challenges have encouraged the president’s caution and defensiveness, which in turn has emboldened further challenges,” Mr. Panetta wrote. As the originator of one of those challenges, namely that terrorist emeritus Bill Ayers helped Obama with his 1995 memoir Dreams from My Father, I can confirm the...