Nnn Coulter is a nasty, hate-spewing train wreck whose stature in the Republican Party is a recipe for disaster, Meghan McCain blasted in an online essay posted Monday. "I straight up don't understand this woman or her popularity. I find her offensive, radical, insulting, and confusing all at the same time," wrote the straight talking daughter of former GOP presidential candidate John McCain in her latest essay on the Daily Beast Web site. Taking the gloves off, McCain, 24, didn't mince words as she lashed out at people who perpetuate negative stereotypes of Republicans, calling Coulter, 47, the "biggest culprit."...