4. Michelle Obama’s arms: Twitter exploded with talk about the first lady’s arms within moments of her taking the stage: Here’s a small sampling: “I’m having arm envy” —@frugalista; “Michelle is protecting our right to bare arms” —@Zoeythegreat; and perhaps my favorite, courtesy of New York Magazine political writer John Heilemann: “Check out them guns on FLOTUS” —@jheil.
