Obama goes on the attack with a new ad, while the GOP candidate calls for an investigation.
Her words to the Democratic faithful Tuesday night are a first step, not an end point, toward bringing diehard Clinton fans around to Obama.
The delegate math still favors Obama despite her better than 2-to-1 victory Tuesday.
On Super Tuesday, they approved measures to expand slot machines. But they declined to amend term limits for state lawmakers.
Bernanke's testimony bolsters support for quick action from Republicans and Democrats.