By Joe Rojas-Burke / The Bulletin
June 28, 2011
PORTLAND — Before leaving the office to visit a homebound patient, Dr. Tony Ohotto gathered a few necessities: his stethoscope, medical notes, and a pair of well-worn bicycling shoes.
Dark clouds threatened rain, so Ohotto packed a rain slicker before hopping on his 10-speed. Kevin Callahan, a....