The way Democratic leaders tell it, their party's current "enthusiasm gap" comes from rank-and-file voters who are irrational and pessimistic complainers. "Democrats, just congenitally, tend to (see) the glass as half empty," President Barack Obama said last month during a $30,000-a-plate fundraiser at the Connecticut home of a donor named (no joke) Rich Richman. Days later, Vice President Joe... (Read Full Article)