Lance Armstrong announced the birth of his son on the social-networking site Twitter late Thursday. Armstrong, who won the Tour de France seven straight years after overcoming testicular cancer, posted a tweet welcoming Max Armstrong to the world. He said his son and girlfriend, Anna Hansen, were both fine and attached a picture of the newborn. “Wassup, world? My name is Max Armstrong and I just arrived. My Mommy is healthy and so am I!” Armstrong posted to his account. Armstrong and his girlfriend, Anna Hansen, announced in December they were expecting a baby in June. Armstrong also has three children with his ex-wife, Kristin. About 15 minutes after the initial post, Armstrong sent another message praising the doctor and nurse who helped deliver the newborn, saying they were amazing. He then posted that Max weight 7 pounds, 5 ounces (3.3 kilograms) and was 20 inches (51 centimeters) long.
