Sunday night, in the 14 top Nielsen markets, NBC's "The Return of the Six Million Man and the Bionic Woman" averaged a 19.8/32 between 9 and 11 p.m., compared with a 16.5/26 for Part I of CBS' "Roses Are for the Rich" and a hardly glowing 11.0/17 for the TV premiere of "Silkwood" on ABC ...