jc: ron... exactly. trust would verify, the proverb made famous by ronald reagan. john mccain has invoked the word several times in the past 24 hours saying of russia/syria that we shoe not truuld not tru should verify. mccain's dose of distrust hardly isolated. we forget the history of russia/u.s. relation has been marked by ability to find common ground. as we await the president's historic address tonight on syria and russia's sudden, somewhat controversial seat at the table is it hard to think tough powers can find common ground when it comes to syria? an american historian and expert on the american presidency.