The arc of American history almost inevitably moves toward freedom. Whether it's Lincoln and the Emancipation Proclamation the expansion of women's rights or now gay rights I think there is an almost-inevitable march toward greater civil liberties.
Facts matter. Science matters. Reason matters. Mitt Romney has shown an inability to respect any of the three. President Barack Obama not only respects them he relies on them. He is an overwhelming and unquestioned choice to continue as president.