US President Barack Obama has expressed "regret" at what he called his inadvertent use of the erroneous term "Polish death camp", in a personal letter to his Polish counterpart Bronislaw Komorowski, ... more 

US President Barack Obama has expressed "regret" at what he called his inadvertent use of the erroneous term "Polish death camp", in a personal letter to his Polish counterpart Bronislaw Komorowski, pictured here on May 9 less