Some will need to make midyear cuts, beyond what they've sliced from their budgets already, say fiscal experts.
A new study looks at what has caused the aggressive spread of a 'superweed.'
The US condemned the coup but finds itself defending a president allied with leftist critics such as UN General Assembly president d'Escoto and Venezuela's Chávez.
Key challenges remain, including the discontent of former Sunni insurgents recruited by the US and credited with improving security.
Amid a huge display of national pride, some expressed concerns that violence could spike again.
The step is a blow to the military as it battles a Taliban leader in a neighboring province. The two Taliban movements could now join forces.