Ultimately, what is at stake in this matter is larger even than the reputation of one person. This is about who we are as a nation, and who we aspire to be. What makes America exceptional among the countries of the world is that we are bound together as citizens not by blood or class, not by sect or ethnicity, but by a set of enduring, universal, and equal rights that are the foundation of our constitution, our laws, our citizenry, and our identity. When anyone, not least a member of Congress, launches specious and degrading attacks against fellow Americans on the basis of nothing more than fear of who they are and ignorance of what they stand for, it defames the spirit of our nation, and we all grow poorer because of it.
He's talking about accusations made by Representative Michelle Bachman, R-MN.
Read the whole thing.