"Now it's on to Chicago and let's win there."

Forty years ago today, shortly after midnight and after claiming victory in the California Democratic Primary, Robert Kennedy was shot by Sirhan Sirhan. He died the next day and on June 8th was eulogized by his brother Edward before being transported by a slow-moving train to Arlington where he was buried not far from his older brother John.

Despite the difficulty of such a task, Newsweek's Evan Thomas attempts to envision what a Robert Kennedy presidency might have looked like.