As three recent titles prove, Cherry Red’s RPM label leaves no stone unturned in its pursuit of rare pop music to issue on CD, living up to its credo “By Collectors – For Collectors.” Much like The Artwoods (also recently the subject of a compilation from RPM), The Bo Street Runners were among the exciting mod R&B revivalist bands that London had to offer in the mid-sixties. However, The Runners – like The Artwoods, The Action and so many others – never attained the top tier of commercial success.   Today, the band…