Yes, they were flawed; many of the men who signed the Declaration of Independence – indeed the man who wrote it – were themselves slaveholders. Yes, also: what they did in the summer of 1776 changed the world. "Lots of times people just want to say, 'Nah, we'll just write off the Declaration of Independence because of Thomas Jefferson's hypocrisy,'" said Harvard professor Danielle Allen, one of the world's foremost experts on the Declaration of Independence. "We can't write it off. We shouldn't