PRESS PHOTOS BY AUTUMN HEISLERThe 10th anniversary of the Autism Speaks Walk of Lehigh Valley is held April 16. More than 5,000 participants enjoyed the walk, the many activities and the beautiful day at the ArtsQuest Center at SteelStacks, Bethlehem. More than $176,953 has been raised in support of Autism Speaks' mission to fund research, increase awareness and family services and to advocate for