President Obama after discussing his executive actions on immigration Friday at Del Sol High School in Las Vegas. Business groups say the plan does little to help U.S. employers attract foreign workers. Carolyn Kaster/AP hide caption

itoggle caption Carolyn Kaster/AP

"What I'm saying is that culturally we need a much better balance. We need more of a yin and yang between [introverts and extroverts]." - Susan Cain James Duncan Davidson/TED hide caption

itoggle caption James Duncan Davidson/TED

Hiroshi Shimizu, senior vice president of global quality assurance at Japanese air bag maker Takata, apologizes for the failure of the defective devices on Capitol Hill in Washington on Thursday. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP