The words "Heroes" and "Liberalism" are an oxymoron like Jumbo Shrimp.
Yup, I think the headline writer agreed; hence, the quotation marks. :-)
"Both the nonpartisan National Journal and the liberal Americans for Democratic Action (ADA)"
LOL, as soon as you see the word "nonpartisan" in a sentence in front of a noun, you can be assured that it is anything but nonpartisan.