It seems likely that a more formal apology will need to be issued. Alex Storozynski, the President of the Kosciuszko Foundation, lauded the president earlier in the day for recognizing Karski, but now says Karski would have cringed if he heard this
(SNIP)...President Obamas remarks are already being called scandalous by media outlets in Poland. Obama was seen reading this phrase off a teleprompter. The President must acknowledge his mistake and apologize for it. He must do it for Karski and the other Poles that risked their lives trying to stop the Holocaust.