It seems odd to start at the ending of “Dick,” the 1999 Watergate satire starring Kirsten Dunst and Michelle Williams and now celebrating its 25th anniversary. But those final lines, spoken by Dunst’s Betsy to Williams’ Arlene, the teen girl duo whom the movie posits as the real political masterminds behind the Deep Throat informant that helped bring down Richard “Dick” Nixon, hit different when rewatching “Dick” in the current political climate.