I had the great fortune to be in Abu Dhabi two weeks ago leading a group of MBA students from USF as part of their Global Immersions study abroad program. Most of the students are executives pursuing their MBA part-time and this was for many their first visit to the region.

Shriver died this week at 95, one of the last of the Camelot clan. But his legacy is more than membership in a political dynasty. It's the Peace Corps, which has sent 200,000-plus Americans of all ages overseas to test their beliefs and share backgrounds with other nations in need of teaching and training.

Just under the wire, this note from Nicholas Charles Bouloukos, a jazz pianist and conductor now working in China, is too interesting not to share while the Hu Jintao visit is still more or less newsworthy. Bouloukos explains how the White House choice of a jazz-centric music program for last week's State Dinner matches developments in China itself.

The State Department is tightening its embrace of Twitter and other social media as crises grip the Middle East and Haiti, with officials finding new voice, cheek and influence in the era of digital diplomacy.

Iran has barred the mayor of Tehran from traveling to the United States for a ceremony honoring his city's advances in public transport, media reported on Saturday.

Chinese President Hu Jintao visited Barack Obama's hometown of Chicago Thursday, under the auspices of furthering cultural exchanges between the two countries. Hu is scheduled to visit a local Confucius institute today before attending a ceremony of business-contract signings.

Chinese President Hu Jintao had a busy schedule from Tuesday to Thursday, meeting with U.S. leaders on major bilateral and world issues in Washington. His diplomacy in the United States, however, turned somewhat light-hearted as he walked into a Chicago high school on Friday morning.