President Barack Obama pulls in an annual salary of $400,000, a princely sum but considerably less than the $566,000 (adjusted for inflation) that George Washington made. And with the possible exception of John F. Kennedy, Washington blew away all the other presidents in terms of net worth, with a personal fortune in excess of half a billion dollars. By comparison, Franklin Pierce (Bowdoin Class of 1824) was worth a mere $2 million. Here’s a look at the finances of all 43 presidents…