(OTT103)OTTAWA Oct 17--A pedestrian walks by Bob, a homeless and unemployed man, panhandling for spare change less than a hundred yards from Prime Minister Jean Chretien's Langevin Block office in downtown Ottawa Thursday.Chretien's secret meetings with the homeless have provided some insight into his views with the down and out at a time when there's discussion about rebuilding social programs.(CP PHOTO) 1996 (stf-Tom Hanson)th