The mask is slipping a bit.
Biden, like Obama, can only pose as a moderate for just so long.
The pose is failing:

http://www.guardian.co.uk/world/2008/sep/03/uselections2008.joebiden

The ‘hope’ these bloviating clowns wish to inflict on America is ‘hope’ to outlaw Conservatives and Patriots.
The ‘change’ they want to inflict on us is to use the power of the Federal government to make it permanent.
Sen. McCain and Gov. Palin are not only offering us a positive vision for our nation. They are defending us from people who waaaay off the mainstream