Mr. Yoo, a professor at the University of California at Berkeley School of Law who served in the Bush Justice Department, is the author of "Taming Globalization" (Oxford University Press, 2012).

WSJ: John Yoo: Obama, Drones and Thomas Aquinas

In these articles, I carefully documented Khan's personal ties to Wahhabi mosques in California and a variety of organizations identified by the Department of Justice as Muslim Brotherhood front organizations and, in some cases, as un-indicted co-conspirators in a terrorism financing conspiracy.

CENTERFORSECURITYPOLICY: The other debate: Frank Gaffney vs. Suhail Khan

Reuters reports that the subpoena, issued last week by a San Jose, California, grand jury on behalf of the Justice Department, is seeking, among other things, information related to eBay founder and chairman Pierre Omidyar, noting that in February 2005 he sought information on how Craigslist handles adding new cities to its site.

FORBES: eBay Hit By Criminal Probe Over Use Of Craigslist Info

Following a U.S. Justice Department investigation, Union Bank of California is trying to resolve the feds' concerns about its relationship with Ribadeo.

FORBES: Magazine Article