David Coltart, Zimbabwean cabinet minister

Stephen Sackur speaks to David Coltart, the Zimbabwean cabinet minister. Zimbabwe has had a year and a half of power sharing government - but how much power is really being shared? President Robert Mugabe's ZANU PF party still seems to be the dominant force in politics, the economy and the security apparatus. David Coltart is Zimbabwe’s minister for education and a veteran member of the Movement for Democratic change. Has President Mugabe again outmanoeuvred his opponents?