He is the first president to make an official visit to Puerto Rico in nearly 50 years.

WHITEHOUSE: Highlights of the President��s Unprecedented Commitment to the People of Puerto Rico | The White House

President Paul Biya invited the Director-General to make an official visit to Cameroon.

UNESCO: MEDIA SERVICES

The U.S. has been irritated too by the EU's agreement that Persson should make an official visit to North and South Korea seeking to aid the reconciliation process on the peninsula.

CNN: Bush facing clash over climate