Barack Obama, who takes over as U.S. president from George W. Bush on January 20, broke his silence about the violence in the Gaza Strip on Tuesday, calling the loss of civilian lives in Gaza and in Israel a "source of deep concern for me." Obama added he would adhere to his principle that only Bush should be the voice of U.S. foreign policy at this time but he would have plenty to say after his inauguration in two weeks. Nonetheless, Obama said that he is "not backing at all from what I've said during the campaign we're going to...