<p>To Harvard University, Greek billionaire Socrates Kokkalis is a generous donor, a visionary promoting democracy and free markets in Eastern and Central Europe.</p>
<p>But in Greece, Kokkalis is being investigated for betraying his country to communist spies. The 64-year-old telecommunications magnate has been charged with funneling information to East Germany during the Cold War, and also faces charges of fraud, money-laundering, and embezzlement.</p>