The story of David and Goliath teaches us a lesson about facing giant problems and impossible situations. David, the diminutive teenage shepherd, faced and defeated Goliath, a nine-feet tall Philistine warrior. Diego Schwartzman, whose nickname is El Peque (an abbreviation of the word "pequeño", meaning "Shorty" in Spanish), is the shortest player in professional tennis, standing at 1.66 meters (5 ft 5 ½ in). In the 4th round of this week’s French Open in Roland Garros, world