Thank You for Arguing: What Aristotle, Lincoln, and Homer Simpson Can Teach Us About the Art of Persuasion

From the Tiny Treasures collection, a diamond W necklace. With signature ruby accent. Designed by Roberto Coin.

To show you're a real wonder woman, it doesn't hurt to have some "girl power" first. This pair of mismatch earrings from Betsey Johnson is crafted from gold-tone mixed metal with glass crystal accents for a glistening touch. Approximate drop: 3/4-3-3/4 inches.

Handlebar-mounted cycling computer for advanced riders with included heart rate monitor

Measures incline with uphill or downhill steepness in percentage or grades

Cycling Economy/Intensity enables you to predict your calorie expenditure

Wireless cycling measurements: speed (current, average and max); trip; distance

Estimated Time of Arrival feature based on your cycling speed

7.5L 4.75W .06D