John McCainJohn McCainDebate must expose divide between Trump, Clinton on climate change Kaine: ‘I trust Hillary with my son’s life’ Trump's new debate challenge: Silence MORE's back-and-forth over whether he would use public financing for his campaign is bugging Jane Hamsher. She has complained to the Federal Election Commission that the Republican violated the primary spending cap he agreed to without being punished. In another post, Hamsher writes that Common Cause has the same worries, and has let McCain know about them.