U.S. authorities are seeking to extradite from Britain a 30-year-old British computer specialist accused of running Web sites in this country to promote jihad and funnel cash to terrorist organizations, including al Qaeda. Babar Ahmad was named in a federal grand jury indictment in August in Bridgeport, Conn., on charges of conspiring to support terrorists, providing material support to terrorist organizations, conspiring to kill, kidnap or injure U.S. citizens, and money laundering. U.S. Immigration and Customs Enforcement (ICE) spokesman Dean Boyd said Mr. Ahmad is scheduled for an extradition hearing Thursday in London. Extradition papers said Mr. Ahmad, arrested Aug....