Conversation so far:
What was Jon Stewart's criticisms of fox news?
based on their perceived hypocritical coverage of food stamps and U.S.
Government assistance.
did he have any problems with them?
Hannity would "return fire" by calling out Stewart.
what happened after that?
2010.
Stewart responded to this by calling out Hannity for frequently calling Ted Nugent a "friend and frequent guest.
Are there any other interesting aspects about this article?
Stewart stepped up his criticism of Fox News in 2010.

Question: how did he step it up?
Self-contained rewrite: how did Jon Stewart step up Jon Stewart's criticism of Fox News in 2010?