There are indications that the assassination of Benazir Bhutto was anticipated by US officials:
"It has been known for months that the Bush-Cheney administration and its allies have been maneuvering to strengthen their political control of Pakistan, paving the way for the expansion and deepening of the “war on terrorism” across the region.
Various American destabilization plans, known for months by officials and analysts, proposed the toppling of Pakistan's military...
The assassination of Bhutto appears to have been anticipated. There were even reports of “chatter” among US officials about the possible assassinations of either Pervez Musharraf or Benazir Bhutto, well before the actual attempts took place. (Larry Chin, Global Research, 29 December 2007)
For the sake of our beloved country