BUENOS AIRES (Reuters) - Argentina has made its final written arguments ahead of a February 27 U.S. courtroom showdown against "holdout" bondholders demanding 100 cents on the dollar for debt that the South American country defaulted on more than a decade ago. Oral arguments in the case, which could raise emerging market sovereign borrowing costs by complicating future restructurings, are set for the end of this month before the U.S. 2nd Circuit Court of Appeals in New York. ...

BERLIN (Reuters) - A German Islamist has threatened to attack Berlin this summer and kill Chancellor Angela Merkel in a video posted on the Internet, a newspaper reported on Saturday. A spokesman for Germany's intelligence service, the Office for the Protection of the Constitution, confirmed its agents had seen such a video. "This is an Islamist battle song. It is known to the security services and is being evaluated," said the spokesman. ...