Bias?

Sometimes on the way to work, I listen to 89.1 FM for the classical music. Then after the 6:30 news, "Earth and Sky" comes on. This is a two minute NPR-esque blurb about science news; due to its NPR-esquity, I find myself picking up on (and listening for) the subtle liberal slant.

The other day, the story was about the Korean scientist, Hwang Woo-suk, who fabricated data on stem cell research. This was recently discovered, and several of his academic papers have been withdrawn. Mr. Woo-suk was considered a pioneer in embryonic stem cell work, and with his outing as a fraud, the evidence is now in favor of adult stem cells as showing the most promise toward miracle cures (good news for the Sanctity of Life). However, on "Earth and Sky", after a brief mention of the situation, they spent the rest of the segment going on and on about how scientists make wrong conclusions all the time, and the peer reviewed paper system is all about an invitation to other scientists to reproduce data, and honest mistakes happen all the time, blah blah blah. So while they didn't come out and lie, saying "He really just honestly came about that data, and wasn't trying to make it up," they simply connect that concept with him in the readers brain by the way they tell the story.

So, was there really an attempt to make this guy sound ok, to keep a nice face on embryonic stem cell research, or was it an honest mistake?