How best to remember our 34th president? The Eisenhower family wants a green open space on the National Mall with a simple statue in the middle, while the Eisenhower Memorial Commission wants an ambitious design conceived by famed architect Frank Gehry. Last week, the commission voted to push ahead with its preferred plan, marking the latest chapter in a longstanding spat between the two sides—one that raises intriguing questions about what, exactly, makes for a successful presidential memorial.