Since the WikiLeaks scandal exploded at the end of last year, many commentators have declared this episode marks "the end of diplomacy." Nonsense.

Sylwia Surdykowska from the University of Warsaw believes learning the Persian language will help achieve a better understanding of Iran’s culture... The Polish are familiar with Persian literature and know of the Persian poets Hafez, Rumi, Khayyam and Sadi, she told the Persian service of IRNA.

As Secretary Hillary Clinton stated last week, U.S.-China relations are now at “a critical juncture.” Public diplomacy plays a crucial role in steering this vital relationship in a positive direction.

In the immediate aftermath of the January 2010 earthquake, the United States, the United Nations, and the international community sprang to the country's aid. U.S. Navy ships and aircraft, including the aircraft carrier USS Carl Vinson, the amphibious assault ships USS Bataan and USS Nassau, and the hospital ship USNS Comfort, deployed to Haiti to deliver relief supplies and medical assistance.

Working at the intersection of policy and science is where I have spent much of my career so a symposium like this is right up my alley. Science diplomacy is critical to the work that lies ahead and this symposium no doubt will generate valuable ideas for moving the nuclear security agenda forward.

President Obama may have brought business deals and jobs from India, but what is in evidence everywhere is the Indian smart power. It is palpable not only in the traditional 'Little Indias' in different cities, but in mainstream newspapers, Ivy League universities, and the boardrooms of American companies.

As Secretary Hillary Clinton stated last week, U.S.-China relations are now at “a critical juncture.” Public diplomacy plays a crucial role in steering this vital relationship in a positive direction.

As President Obama welcomes Chinese president Hu Jintao for a state visit, Americans should get ready for a Chinese ad blitz on TV. The spots -- with images of ordinary Chinese citizens juxtaposed with celebrities like the NBA's Yao Ming -- are aimed at improving China's image in the U.S. Will it work? Marketplace's Scott Tong takes a look.