Zimbabwean Prime Minster Morgan Tsvangirai arrives for his party's 10th anniversary celebrations in Chinhoyi, about 120 kilometers west of Harare, Saturday, April, 25, 2009. Tsvangirai, addressing his supporters of Movement for Democratic Change (MDC), said on Saturday there was no going back on the unity government, despite snags in implementing a power-sharing pact with President Robert Mugabe. AP Photo logo AP Photo 7 months ago

Zimbabwean Prime Minster Morgan Tsvangirai arrives for his party's 10th anniversary celebrations in Chinhoyi, about 120 kilometers west of Harare, Saturday, April, 25, 2009. Tsvangirai, addressing his supporters of Movement for Democratic Change (MDC), said on Saturday there was no going back on the unity government, despite snags in implementing a power-sharing pact with President Robert Mugabe.