With economic inequality at an all-time high, some U.S. presidential candidates are proposing dramatic shifts to the U.S. tax code. How have similar plans worked elsewhere in the world?

The Federal Bureau of Investigation has been reoriented toward counterterrorism in recent years, but continues to face charges of overreach.

The manipulation of interbank lending rates by a host of global financial institutions could have significant repercussions for financial markets, consumer loans, and regulatory policy.

Al-Qaeda in the Arabian Peninsula has emerged as one of the most dangerous al-Qaeda affiliates, strengthening amid political unrest in Yemen.