April 18 - U.S. President Barack Obama offers support to Boston, saying those who launched the attack ''picked the wrong city.'' Rough Cut (no reporter narration).
ROUGH CUT (NO REPORTER NARRATION) STORY: U.S. President Barack Obama on Thursday spoke at a memorial service for victims of the Boston Marathon bombing amid a manhunt for suspects seen on video taken before two blasts struck near the finish line on Monday. He told the gathering that those who chose to intimidate Americans '"picked the wrong city." Obama is also due to meet families of victims of the bombing and first responders while in Boston, a White House spokesman told reporters aboard Air Force One.