Children taking stimulant drugs like Ritalin for ADHD aren't at greater risk of having a heart attack or other serious cardiovascular problems, according to new research published online today in the New England Journal of Medicine.

But critics of the widespread use of prescription amphetamines to treat the symptoms of attention deficit-hyperactivity disorder — 2.7 million children are taking the drugs — say this latest study still doesn't give ADHD drugs a clean bill of health.

Secretary of State Hillary Rodham Clinton's mother, 92-year-old Dorothy Howell Rodham, has died.

The Clinton Foundation just sent this statement to the news media:

The early reports are that everyone's OK after LOT Airlines flight 16 from Newark, N.J., to Warsaw, Poland, had to land on its belly today because of problems with the landing gear. According to CNN, Polish TV says there were 230 people on board the Boeing 767.

Local TV cameras were rolling as the plane came in.

As a million or two customers in towns and cities across much of New England begin another day without power since Saturday's "historic October snowstorm," frustration is growing, The Hartford Courant reports.

"The state's largest utility said Monday that it was stepping up its efforts to restore electricity to more than 700,000 customers still without power as of Monday evening," the Courant says.

Artist Ai Weiwei, who earlier this year was jailed by Chinese authorities for nearly three months, said today that the government there has sent him a $2.4 million tax bill.

"His supporters," the BBC says, say the bill and accusations that he owes back taxes "are part of a plot to silence Mr. Ai, who is an outspoken critic of the government."

People who visit their primary care doctors for routine care often find themselves poked, prodded and advised in all kinds of unnecessary and unhelpful ways.

Add it all up, and the cost of the dubious tests and medical interventions runs to about $6.8 billion a year. The annual checkup, an American medical tradition, is a prime offender.

Good morning.

Our early posts were:

-- Herman Cain Now Recalls 'Settlement' With Accuser.

-- Hundreds Of Millions Missing From MF Global, 'New York Times' Reports.

"Markets plunged Tuesday on fears that Europe's plan to save the euro was already unraveling after the shock decision by Greek Prime Minister to call a referendum on the country's latest rescue," The Associated Press writes.