Arch rivals India and Pakistan—both with nuclear weapons—signed a pair of security agreements in Islamabad, Pakistan, on Monday, ostensibly to give each other notice of ballistic missile tests and build links between the countries’ maritime agencies to help with enforcing territorial waters. Whether these deals will lead to a successful resolution of the long-running debate over which country controls the Kashmir region is questionable.
The U.S. began extensive air and artillery strikes against Islamic State group targets in Syria on Dec. 19 in retaliation for the killing of three Americans on Dec. 13 by a gunman affiliated with ISIS, U.S. officials said.

