Wheel Chair Vista The view is not good; no eye contact, except with other wheelies, or little children, ready to smile and respond.   But you confront bums, everything from double-wobble to pinched minuscule, guts blocking out the rest. Knees, fragile or sturdy, with or without props, skin seen through torn denim.   Above you heads bend, sending posed selfies, not connected to those near them. Intent on phones, devices, texting, playing games, backing into you, the immediate invisible.   Not all bad, though. Surprised, apologetic when they do see you. Heads bend to smile. Hands reach out to help.…