The Super Tuesday tornadoes were the deadliest in the US in more than a decade.
He won more states; she won more big states and a few more delegates. Battle to last through March at least, analysts say.
Foreign Relations Committee hearing comes a day after the release of two critical reports.
Superdelegates, or party professionals, could play a decisive role in the outcome of the Democratic race.
Readers write about the extent of Barack Obama's appeal and the specifics of his campaign.
The black vote was key to his decisive win Saturday. To be competitive in the Feb. 5 sweepstakes, he'll need a broader coalition of independents, young people, and affluent whites, analysts say.
Stronger financial institutions are purchasing weaker ones. Case in point: Bank of America has announced it will purchase Countrywide Financial.