When Secret Service officer Timothy McCarthy took a bullet to protect Ronald Reagan in a 1981 assassination attempt and agent Jerry Parr shoved the president into a limousine, their quick reflexes projected a Hollywood-style image of invincibility around the agency.
Brazilian President Dilma Rousseff continues to broaden her advantage ahead of Sunday's election, but it is not clear which of her rivals she will face in an expected second-round runoff, a new poll showed on Friday.
Police in Ferguson, Missouri arrested several people, an official said on Friday, following another night of protests over the police shooting of a black teenager in August.
When Islamic State fighters tried to storm the Tigris River town of Dhuluiya north of Baghdad this week, they were repelled by a rare coalition of Sunni tribal fighters inside the town and Shi'ites in its sister city Balad on the opposite bank.
