With the biases and suppositions they being to the table, its little wonder The Left/Mainstream Media are having a hard time. Their goal is not to look for the truth of the movement or to understand us - but to demonize us; to make us fit nicely within their worldview. Just like conspiracy theorists, The Left/Mainstream Media believe they alone possess the truth. Just like the 'Birthers' and the 'Truthers', anything that challenges their truth can only be wrong. Therefore, they can only see us as demons - their minds are closed to any other concept.
If you want to define the Tea Party Movement and define what motivates us, the second article got it exactly right:
THE TEA PARTY MOVEMENT WANTS AMERICA TO RETURN TO CONSTITUTIONAL PRINCIPLES.It that too hard to understand?