The collapse of Bear Stearns sends the central bank scrambling to ease fears.
Last week's meeting generated talk of a secret side deal to end an 11-week impasse.
Recent clashes between the militia and Iraqi forces threaten to undo a lull in the group's activities.
Despite their rhetoric, '08 candidates try to keep their options open.
Using the Internet to hide, groups like Anonymous spread sensitive materials.
The Fed chairman and the Treasury secretary face tough scrutiny as policymakers.