The U.S. government has boosted spending on international broadcasting since 9/11, expanding its reach to the Internet and satellite TV. But critics say these outlets have lost their focus.

With South Africa, Nigeria, and Kenya all hobbled by varying degrees of instability and infighting, experts fear Africa lacks leadership for continent-wide security and economic initiatives.

Evangelical Christians have been a force in U.S. society dating back to the nineteenth century. But experts say in recent years their influence on U.S. foreign policy has grown, from humanitarian act…