[Zimbabwe Independent] Renowned lawyer and MDC-Alliance treasurer-general David Coltart says the crisis which played out in the last few weeks in the backyard of the country's main opposition MDC has Zanu PF fingerprints all over it. The former Education minister in the 2009-2013 Government of National Unity believes President Emmerson Mnangagwa's ruling party is seeking to weaken and crush the once vibrant movement -- a development he says lays the groundwork for the Zanu PF leader to establish a one-party state. Coltart (DC) t