Lawyers for Pakistan's ex-leader have said he is too sick to attend.
Ex-president may be called on long-standing graft charges.
Alleged militant killed at time of rising tension over strikes.
Move comes as part of anti-drone push by Tehreek-e-Insaf party.
P.M. Nawaz Sharif promoted an experienced general to arguably the most powerful position in the country.
Move came as police cracked down on an anti-U.S. drone use protest.
Police worked to corral activists who were protesting U.S. drone strikes.
Opponents of U.S. drone strikes rough up drivers after party led by cricket star Imran Khan gets involved.
Case raises doubts that Shakil Afridi, now in prison on separate charge, will ever be free.
The Taliban have so far refused to talk directly with Karzai's government.
