He is:
Take 30 minutes. Expand the video to fill the screen and listen to Newt [or read -- full transcript too]
But I love how his opponents keep telling him he must only be positive (and don't dare complain because Mitt and his PAC spent $2Million/day for 10 days attacking him) but as Rush Limbaugh made great pains (and repeated) the thing that annoys the Left is that Santorum isn't backing down. Neither does Newt. He's campaigning.
Rush did it again today-—spent a major part of his show doing all he can to make Senator Santorum more appealing to us skeptics.
Does Santorum have to include the value of all this free advertising on his donation reports?