The Mayor of Accra, Alfred Okoe Vanderpuye was detained in Columbia while using a US passport on the ticket of a Ghana government-sponsored trip.

He said he used his US passport because if he had used his Ghanaian passport, he would have needed a visa to Brazil. He only had a visa to travel to Columbia

Read below US Embassy advisory for US citizens regarding visa to Brazil and tell me why this buffon ever got to be the mayor of our captail

"...ENTRY / EXIT REQUIREMENTS: A passport and visa are required for U.S. citizens traveling to Brazil for any purpose. Brazilian visas must be obtained in advance from the Brazilian Embassy or consulate nearest to the traveler's place of residence. There are no "airport visas" and immigration authorities will refuse entry to Brazil to anyone not possessing a valid visa. All Brazilian visas, regardless of the length of validity, must initially be used within 90 days of the issuance date or will no longer be valid. U.S. citizens reentering Brazil must be able to show an entry stamp in their passport proving that the visa was issued within 90 days; otherwise they will not be allowed reentry. Immigration authorities will not allow entry into Brazil without a valid visa. The U.S. Government cannot assist travelers who arrive in Brazil without proper documentation..."