The head of Missouri's Office of Administration is stepping down effective Feb. 1.

Gov. Jay Nixon announced Tuesday that Administration Commissioner Kelvin Simmons was leaving the position. In a resignation letter dated Monday, Simmons said he was pursuing an "opportunity outside of state government" but did not elaborate.

Apple's iPhones may seem more cool, but the Google-backed Android phones are much more popular in the United States. In 2011, Android's U.S. market share was 53 percent, compared to 29 percent for the iPhone, according to the research group NPD.

Harvard researchers say they've uncovered a big problem among the nation's 700,000 police officers: a serious lack of sleep.

In what's believed to be the first study of its kind, the researchers queried nearly 5,000 municipal and state police officers in the U.S. and Canada about their sleep habits and symptoms of possible sleep disorders. Then they assessed their on-duty performance for two years.

Forty percent had sleep disorders, and the vast majority of these were undiagnosed before.

Despite the gloomy economic situation, the United States has become the world's most generous nation, according to this year's Charities Aid Foundation's World Giving Index.

Ireland is ranked second followed by Australia, New Zealand and the U.K. Charities Aid Foundation used Gallup's Worldview Poll to look at three behaviors: "giving money, volunteering time and helping a stranger."

The U.S. came out on top after being ranked fifth last year.

A provision that offers three months of free rent to evicted mobile park residents in Columbia is now facing a challenge.

The body of Kim Jong Il, the deceased leader of North Korea, now lies in state in the capital, Pyongyang. His sudden death has raised concerns about possible power struggles. But so far, all outward signs suggest that the North Korean leadership is lining up behind his son, Kim Jong Un.

A day after Syria said it would allow Arab League observers into the country, the deadly clashes with government forces continued. Al Arabiya reports that activists said at least 100 Syrian army defectors were killed or wounded and 36 people were killed in clashes with police.

Lindsay Reynolds lives in Waterloo, Wis. Even before the recent economic downturn, Reynolds and her husband struggled to make ends meet. They quarreled, especially over money.

"We never had enough income to pay bills, to pay rent. We were constantly late on rent," Reynolds says. "He always wanted to go do things. He wanted to go buy things. And I said, 'No, we can't. We have to be fiscally responsible.' "

In "Reconstituting The Constitution: How To Rewrite It," we invited readers to share their own thoughts on how we might change the founding document for 2011. Now the people have spoken.