By Elise Viebeck - 03/19/13 05:30 PM EDT
"Had he ruled in the appropriate way to say this was clearly unconstitutional ... this whole thing would have crumbled. It would have fallen like a house of cards."
The comments reveal the raw feelings toward Roberts still held by many on the right.
The Bush-appointed chief justice sided with the court's liberals in the decision to uphold the law — an outcome that shocked conservatives.
Tuesday's call was organized by FreedomWorks, a prominent Tea Party group.