(FILES) -- This file photograph taken on March 17, 2008 shows US General David Petraeus responding to reporter's questions during a press conference with US Vice President Dick Cheney and US Ambassador Ryan Crocker while visiting the US Embassy in Baghdad. The US military chief in Iraq has issued new counter-insurgency guidelines to his troops which include the use of money as a "weapon system" in a bid to push reconciliation. AFP PHOTO/FILE/PAUL J. RICHARDS