LSU-S prof focuses on Internet extremism

The single engine Cessna 172 is parked in a World War II-era hangar on the grounds of the Monroe... SHREVEPORT, La.

[waveform]

When all he had to do was come on Topix.

Topic has plenty of extremism, from threats against President Obama, to racism and white supremacy, or to conservative Christian propaganda. It's chock full of mentally unstable people who pose not only threats to themselves, but others and the nation as a whole.