TPM: Clinton Goes 100% Negative in Most Pennsylvania Markets

Campaign floods television airwaves with two ads slamming Obama -- one criticizing his "cling" remarks, other discounting his claims about taking money from oil companies.

Political television buyer says as of Wednesday morning no positive spots were running in the Pittsburgh, Erie, Johnstown /Altoona, Wilkes-Barre /Scranton markets; she is 50% negative in Philadelphia, Harrisburg.