Obama: Bombers 'Failed' Because 'Americans Refused To Be Terrorized' "One thing we do know is whatever drove these men to such heinous acts will not, can not, prevail. Whatever they thought they could ultimately achieve, they've already failed. They failed because the people of Boston refused to be intimidated. They failed because as Americans we refused to be terrorized. They failed because we will not waiver from the character and the compassion, and the values that define us as a country."