SAN FRANCISCO — Mark Zuckerberg, Facebook’s chief, has managed to amass more information about more people than anyone else in history.

Small, sick, listless children have long been India’s scourge — “a national shame,” in the words of its prime minister, Manmohan Singh.

As the Pakistani president, Gen. Pervez Musharraf, wrestles with swelling public disaffection over his rule, one of his key political rivals, Benazir Bhutto, has embarked on an international campaign to revive her political standing.

A day after two homemade bombs killed at least 66 people on a train traveling to Pakistan from India, the governments of both countries on Monday condemned the attack and pledged that it would not deter their aim of reducing longstanding hostilities on the subcontinent.