And still no apology. Even when conservative radio host Rush Limbaugh runs with a fabricated story, he doesn't apologize for the error. Limbaugh, who seizes on every opportunity to blast Obama, ended up with egg on his face when he read an Internet satire piece that claimed President Obama dissed the Constitution in his college thesis at Columbia University. A transcript of his Friday broadcast remains Sunday at the top of Limbaugh's web page under the headline, "Obama's Disdain for Constitution: We Know He Thinks It, Don't We? When we discover a hoax, we correct it immediately." But apologize? You...