A escalating feud could distract Baitullah Mehsud and his 10,000-plus men from fighting Western forces in Afghanistan.
The government agreed Monday to restore deposed judges. Activists want further reforms.
Protesters rallied in several cities after a court banned popular opposition leader Nawaz Sharif from running for office.
The ex-president faces an uphill battle in June's presidential elections and must shed his 'weak' image, supporters say.
The curriculum, critics charge, promotes revisionist views and intolerance. Others say they don't see such imbalance.
Army Chief Ashfaq Kayani has been curtailing the political influence of a military accustomed to running the country.