Less a conventional teen movie than a travelogue with comic interludes featuring the grown Olsen twins. Were you to fast forward through the scenes of exotic foreign places, there would be just enough footage left for a short subject on adolescent dating rituals. American over-achiever Chloe Lawrence (Mary-Kate Olsen) can't believe her good fortune when her students forensics team wins an international competition. She's thrilled that she and her fellow debaters will be going to the United Kingdom to participate in a model United Nations contest, but is really annoyed when her boy-crazy twin, Riley (Ashley Olsen), volunteers to fill in for an ailing team alternate. R...