Friend -- It's easy to look at the attacks, smears, and lies being told about President Obama and his record and say, "Come on, that's ridiculous. No one could possibly believe that." Trust me: You and I learned the hard way eight years ago this August that in the new world we're living in -- one with 24-hour news cycles, the internet, blogs, the echo chamber, and now the new Citizens United-fueled Republican money machine -- even completely baseless attacks can stick if people don't call them out quickly enough. No matter how self-evidently false the attacks are, or how...