Tonight’s Feature: Four Democratic presidential candidates will be looking to knock Hillary Clinton off her perch as the frontrunner tonight on CNN in the party’s first presidential debate in Las Vegas. The challenge for Vermont Sen. Bernie Sanders will be …

Clue: A piece of airplane wing that washed up on a remote island east of Madagascar in the Indian Ocean has been identified as probably coming from a Boeing 777, leading investigators to suspect it may have been a wing …

Permawar: Afghanistan is investigating reports that Mullah Muhammad Omar, the one-eyed leader of the Taliban, is dead. Omar has not been seen in public since before the Taliban regime was toppled in 2001. A breakaway group of the Taliban claims …