U.S. gasoline prices are up nearly 80 cents from a month ago, while diesel prices have shot up even more. Diesel is now just under $5 a gallon, according to AAA, up $1.34 from last month.

Burger King is rolling out headsets that give workers a "friendliness score" based on their customer interactions.

The killing of Iran's Ayatollah Ali Khamenei raises questions about whether the U.S., as a democracy, should be in the business of assassinating foreign leaders.