Eric Schmitt And Matthew Rosenberg The New York Times

Over the last year, Marc Grossman, a veteran but low-key diplomat, led a small team of American officials who met secretly from Doha, Qatar, to Munich with a shadowy representative of Afghanistan's Taliban leader, Mullah Muhammad Omar, in hopes of starting peace talks.

A United States military investigation has concluded that checks and balances devised to prevent cross-border mishaps with Pakistan failed to avert a deadly NATO airstrike last month in part because American officials did not trust Pakistan enough to give it detailed information about American troop locations in Afghanistan.

Over the last year, Marc Grossman, a veteran but low-key diplomat, led a small team of American officials who met secretly from Doha, Qatar, to Munich with a shadowy representative of Afghanistan's Taliban leader, Mullah Muhammad Omar, in hopes of starting peace talks.

A United States military investigation has concluded that checks and balances devised to prevent cross-border mishaps with Pakistan failed to avert a deadly NATO airstrike last month in part because American officials did not trust Pakistan enough to give it detailed information about American troop locations in Afghanistan.