Amid escalating sanctions against Iran and constant talk of war, it's helpful to understand who is calling the shots in that country. Iran's Supreme Leader Ayatollah Ali Khamenei is the only man who decides if Iran reaches a deal on its nuclear program. The U.S. is trying to convince him through sanctions and diplomatic pressure.
Auto parts supplier Takata has agreed to modify the way it makes airbags. Takata and government safety officials were on Capitol Hill Tuesday to answer questions about the massive recall effort. Some 34 million vehicles need to have new airbags installed.
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