President Obama is in Russia for the G20 summit, where America's threat to attack Syria has taken center stage over the global economy. We hear about arguments that separate the US and Russia over who used chemical weapons and what should be done. Also, why can some people recognize faces while others can't? New brain studies may influence law enforcement, border control and airport security.
Banner image: President Barack Obama and Russian President Vladimir Putin of Russia at a bilateral meeeting at the Esperanza Resort in San Jose Del Cabo, Mexico, June 18, 2012. Official White House Photo by Pete Souza