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After the explosion of the rocket-propelled grenade on a road in Fallujah, Oscar Canon saw the white of his own thigh bone. At the medical unit, the young Marine sergeant grabbed the doctor by his collar and yelled, "Don't cut off my f***ing leg." That was in October of 2004 and the first of dozens of surgeries — 72 separate operations, by a family member's count — that saved his leg.

Last week, Staff Sgt. Oscar Canon, 29, died. A Marine Corps spokesman at Camp Pendleton says the death is still being investigated.

For patients in nursing homes, treatment with antipsychotic medicines is pretty much routine.

Though the drugs were developed to treat schizophrenia, they're also used to manage the dementia-related behavior of elderly patients. Up to a third of patients in nursing homes get the drugs, despite their risks.

One of science fiction's jobs is to give humanity a map of where we're headed. From Jules Verne to William Gibson, sci-fi authors have described their versions of the future, and how people might live in it.

Those ideas came up in a recent conversation I had with Brian David Johnson, who works for Intel as a futurist — a title that gives him one of the tech world's cooler business cards.

There was a 0.9 percent drop in sales of new homes in January vs. December, the Census Bureau and Department of Housing and Urban Development just reported.

The annual sales rate, 321,000, was still 3.5 percent above the pace of January 2011, however.

And The Associated Press notes that the dip in January from December may have partly been due to the fact that "the government said the final quarter of 2011 was stronger than first estimated."

Good morning.

Our early headlines:

-- U.S., Other 'Friends Of Syria,' To Call On Syria's Assad To Step Aside.

-- Obama's Tax Plan Is 'Step Forward,' But Not Enough, Key Republican Says.