Today, we learned that Sen. Jim DeMint (R-SC) has backed Marco Rubio for Senate in Florida; Sen. John Ensign (R-NV) acknowledged an extramarital affair; and Rhode Island legalized medical marijuana stores.

We also considered President Obama's balancing act in commenting on Iran; the CBO's score of Sen. Ted Kennedy's health care plan as a gift to the GOP; whether criticism of the plan, and its score, are premature; another score of the plan; progress in childhood obesity; the difference between Obama's health reform push and President Clinton's; why Democrats aren't criticizing Bill Maher for criticizing Obama; as well as Al From's impact on the Democratic Party--and the GOP's need for some of the same.

Tomorrow: Obama and Timothy Geithner deliver remarks on the economy and their plan for financial regulations; Eric Holder testifies at a Senate Judiciary Committee hearing on Justice Dept. oversight; the Senate Special Committee on Aging holds a hearing on Social Security.