excitement in 2008. thank you so much. thank you. the st. patrick s day parade under way right now in new york city. today s march down fifth avenue marx the 251th anniversary of the first st. patrick s day parade in the big apple. the first march, rather, featured irish soldiers serving in the english military. people are celebrating in downtown dublin today. one of dozens of parades being held throughout ireland. up next, the case of the so-called invisible candidate for congress who won and then in office politics, john harmon who says is operating on their ownest is rules and the impact on the white house. you re watching weekends with alex witt. [ male announcer ] if you believe the mayan calendar, on december 21st, polar shifts will reverse the earth s gravitational pull