Brussels, 08/02/2008 (Agence Europe) - An official at the US Department of Homeland Security said on Wednesday 6 February that the United States could lift visa requirements for Greek, Czech and Estonian nationals by the end of the year. With the European Union not requiring US nationals to hold visas to visit the 27 countries of the EU, the United States, last year, began moves to come more into line with the Union, by adopting legislation to allow the extension of the visa-free system, the...