Sarah Palin is now the GOP point person in questioning Obama’s crossing paths with Ayers, the underground terrorist of the 60’s. She chided Biden during the VP convention with “there you go again, looking at the past” I would like to ask the McCain/ Palin mavericks to explain John McCain’s “non involvement” with Keating and the S debacle (that cost tax payers millions) when their paths crossed in the 80’s. John may have to answer that one since Sarah (in…