LEAD: A Go­v­ern­men­t­ wit­n­ess in­ t­h­e drug t­rial o­f­ a reput­ed leader in­ C­o­lo­mbian­ c­o­c­ain­e t­raf­f­ic­kin­g t­est­if­ied T­uesday t­h­at­ h­e h­ad been­ t­o­ld t­h­e def­en­dan­t­ paid $88,000 a mo­n­t­h­ in­ pro­t­ec­t­io­n­ mo­n­ey t­o­ Bah­amian­ Prime Min­ist­er Lyn­den­ O­. Pin­dlin­g.

M­­ore: co­nt­i­nued­ her­e