One legged biker making a difference  SCOTTSDALE, AZ - There is
a fairly unusual and inspiring scene in north Scottsdale. A one
legged man riding a bike.  He does more just than ride, he rides
fast, powered by just one leg.  "It became a passion, because
once you get into riding, you can't get enough," said Todd Key.
The middle aged man lost his right leg to cancer at age 17, and
his right arm is disfigured after being badly broken.   Despite
the challenges, Todd found a way to keep on riding.  He uses a
plastic sleeve that fits what's left of his leg like a glove,
and a special arm rest to hold his elbow in place. Todd made the
upgrades on his bike for less than $200.   "I knew this had to
be inexpensive if others were going to be able to use it."  Todd
rides more than 150 miles in a typical week. He said he can
reach speeds of over 40 miles per hour.  His hope is that other
amputees, like cancer survivors or soldiers returning from war
will get a chance to enjoy riding a bike again. "It's one of the
few th