In the past day, the Democrats have been hit with some highs and lows. Yesterday, the Atlantic published "The HIllary Clinton Memos," detailing how her campaign tried to win the nomination (highlight/lowlight: Mark Penn's breakdown of Obama's weaknesses). Then, today it was announced that former Virginia governor Mark Warner, would keynote the Democratic National Convention, which should mean good things for him. Also today: The chairman of the Arkansas Democratic Party Bill Gwatney was fatally......