That's what's really got the pundits, the political operatives and the insiders frightened: the simple fact that ordinary citizens have the nerve to challenge a Senator who purports to represent the "center" but is way, way out of touch with mainstream America. Put another way, the Establishment is in a rage that voters have the gall to demand a seat at the political table. This is a political table the Establishment has gotten used to seeing as its own exclusive property, and goddammit, they are pissed that regular Americans would dare to raise their voices and say enough is enough.
Please go read the rest. You'll like it.