TUESDAY: Former vice president/rock star Al Gore will speak about his new book The Assault on Reason to a sold-out crowd at George Washington University’s Lisner Auditorium. Don’t expect An Inconvenient Truth, though; this is all about shrinking approval ratings for the president and Congress, not shrinking coastlines. 6 p.m. Political journalist Michael Barone will speak about his book Our First Revolution, which is actually a reference to Britain’s Glorious Revolution of 1688, not the…