Sharing culture is hard when you can't entertain another point of view, tough when you have to stick to your line, and impossible when what you say can immediately be turned into a headline and used as a stick to beat you. This is the lot of modern governments.

Strip away the ostensibly benign surface of public diplomacy, cultural exchanges and language instruction, and it becomes clear that the U.S. and China are engaged in a soft power conflagration – a protracted cultural cold war.

The students are members of the volunteers in the program to promote the use of English among Thais, and students from the Thai - New Zealand cultural exchange program. The premier expressed her admiration in the students' enthusiasm in learning the Thai language and cultures, while thanking all the Thai foster families for welcoming and taking care of their Caucasian guests.

Erdem Gunduz, the “Standing Man” performance artist who instigated a wave of peaceful protests throughout Turkey, participated in the Kennedy Center’s Cultural Exchange Visitors Program in 2007. The two-week arts education program, developed with the State Department, brought four modern dancers and two hip-hop dancers from Turkey to Washington and New York.

Au pair agencies have joined summer camp operators, hotels and an array of other companies that rely on cultural-exchange programs to provide their businesses with overseas labor to lobby against provisions in the Senate immigration bill aimed at regulating recruitment practices.

The Lo’Jo, a community of global citizens who play a special music of their own, will give performances in Ho Chi Minh City and Hanoi to mark 40 years of diplomatic ties between Vietnam and France.

Several more companies have received licenses to operate people-to-people cultural exchange programs to Cuba. San Diego-based Classic Journeys offers 10 departures from June 29 to April 5. A seven-night guided tour includes visits with artists in the Luyano area in Havana; an exploration of Habana Vieja, the Unesco World Heritage Site; countryside walks in the Vinales Valley west of Havana; and meetings with farmers and students.

I mention this because – as I take leave as Under Secretary for Public Diplomacy and Public Affairs – I want to make Americans more aware of what the State Department does, --specifically public diplomacy- how much real value it brings to jobs overseas, jobs here, education, entrepreneurship, travel, tourism, and a healthy and robust trade and investment climate in both directions.