Pakistan's government has announced the reinstatement of Iftikhar Chaudhry, the deposed chief justice, in a bid to defuse the country's political crisis and end a protest march led by Nawaz Sharif, the opposition leader. But does that mean a victory for the opposition? Will the reinstatement prevent further turmoil in the country? Or is this the beginning of the end of Ali Asif Zardari's presidency?