The allegations that former Penn State assistant football coach Jerry Sandusky sexually abused young boys and that university officials, including legendary coach Joe Paterno, had been warned years ago about what was supposedly happening and never informed police have raised an obvious question:

Is it time for the 84-year-old Paterno to step down and for a complete "house cleaning" of the school's football program?

A "sledgehammer left hook" that put Muhammad Ali on the canvas in 1971 pretty much tells the story of Joe Frazier's career, NPR's Tom Goldman says.

"It was as crushing and symbolic" as any of Frazier's punches over his long career, Tom said on Morning Edition. "It put his bitter rival, Muhammad Ali, on his 'float like a butterfly, sting like a bee' keister at Madison Square Garden in what came to be known as the "Fight of the Century."

After watching a woman accuse him Monday of groping her and other inappropriate sexual behavior, "I says 'well, I know what we got to do,' because there's not a ounce of truth in all of these accusations," Republican presidential candidate Herman Cain said early today on ABC TV's Jimmy Kimmel Live!. Cain said he'll be holding a news conference this afternoon in Phoenix to address the allegations.

Evidence of the ancient civilization of Garamantes has been buried in the Libyan desert for 1,400 years. Now satellite images and field exploration are giving insight into the pre-Islamic culture.

Two women were stranded Saturday night on a Wisconsin highway when a man stopped to change their flat tire. Driving off, the 61-year-old man said, "Someone up above put me in the right place at the right time." Moments later the man had a heart attack. The women spotted his car down the road and they pulled over to assist him.

The painting whose title translates to "Christ Carrying the Cross" was completed by French Baroque painter Nicolas Tournier in the 1630s, only to disappear from France in 1818. The canvas turned up in Italy a couple years ago. A gallery in London eventually purchased it and brought it to a showing in Paris. Now the French government is trying to keep the painting saying it was stolen.

The online group Anonymous was in the news again last week when it threatened to unmask collaborators with a powerful Mexican drug cartel. That is just one of the attention-grabbing exploits by the group of cyber activists that is as mysterious as its name sounds. Journalist Quinn Norton talks to Renee Montagne about the profile of Anonymous that she has written for Wired.com.

Political leaders in Greece remain locked in negotiations over a new unity government. George Papandreou is stepping down as prime minister but his replacement has not yet been named. In Italy, Prime Minister Silvio Berlusconi is struggling for his political survival. He faces a crucial budget vote in parliament Tuesday.

Boxing legend Joe Frazier died Monday night at the age of 67 just weeks after being diagnosed with liver cancer.

The man nicknamed "Smokin' Joe" was one of the greatest heavyweights in history. His three fights with rival Muhammad Ali in the 1970s are part of boxing lore.

And if one were to distill Joe Frazier's lifetime of punches down to one, that sledgehammer left hook on March 8, 1971, was as crushing and symbolic as any.

Dr. Conrad Murray is being held in a Los Angeles jail. Michael Jackson's personal physician was found guilty of involuntary manslaughter Monday. Murray will be sentenced later this month and faces up to four years in prison.