Pictures Crohn's and Colitis Walk June 13, 2011 / 11:09 AM EDT / CBS News Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk Chron's and Colitis Walk