One imagines that the mind of the president is constantly occupied by the fate of the free world. This probably explains, for instance, why George W. Bush could barely read. Lyndon B. Johnson, though, was not your average president, for various reasons, but quite prominently that he was very concerned about the state of his penis.

Michigan congressional candidate Bill Cooper is serious about deficits. Riffing on the legendary 1964 LBJ scare ad, "Daisy," Cooper promises to repel nuclear weapons of debt headed directly at children. What about real nuclear weapons, though? Will he repel those?

Earlier today we fawned over Barack Obama's newly cut physique. And it got us wondering what other shirtless pics of presidents exist.

Simplicity—which often involves leaving things unsaid—is a rare tactic in advertising today. We want every bell and whistle listed and explained for us completely and quickly so we can get back to playing Wii! Political ads are no exception. Here's Barack Obama's newest ad attacking McCain; it takes the trouble to spell out, on screen, the same things the announcer is saying, because Americans have lost our ability for inference along with our attention spans. It lacks three crucial things that the classic 1964 LBJ ad, titled "Merely Another Weapon" (after the jump) has: One clear message; a trust that viewers will understand that message themselves; and awesome atom bomb blasts: Click to view [LBJ ad via The Living Room Candidate]