He said : `` This city , of all cities , knows the dream of freedom . U.S. presidential candidate Barack Obama gives speech in Germany . Obama : " I am not a racist. Obama : Remove walls between religions , races , and the rich and poor . Trip is intended to shore up Obama 's foreign policy credentials .
U.S. presidential candidate Barack Obama gives speech in Germany . Obama : " I am not a racist. Obama : Remove walls between religions , races , and the rich and poor . Trip is intended to shore up Obama 's foreign policy credentials .