A month after giving birth, Olympic gold medalist and two-time world champ Kristin Armstrong is returning to pro cycling in hopes of joining the U.S. team for the 2012 London Olympics.
This makes her the latest cyclist named Armstrong to shake off retirement: Two years ago, Lance Armstrong staged a comeback to ride again in the Tour de France.
But Lance Armstrong’s return didn’t include one hurdle Kristin Armstrong faces:
Lance, a father of five, never had to stop for a breast-pumping break while on a four-hour training ride.
“Most likely, the biggest challenges are  … Details