John McCainJohn Sidney McCainMcCain rips Trump for attacks on press NSA spying program overcomes key Senate hurdle Meghan McCain says her father regrets opposition to MLK Day 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.