Complete the passage: pick from possible candidates.

(CNN) -- The Westgate Mall siege in Kenya has claimed the lives of more than 60 people including the Kenyan president's nephew, at least one Canadian diplomat and American, British, French and Chinese nationals. Al Qaeda's affiliate in Somalia, Al-Shabaab, has claimed responsibility for the siege and it has been reported that a number of the militants involved in the attack may have been foreign jihadists from Western nations. Read more: Sources say gunmen still inside Kenyan mall If true, does the phenomenon of Westerners killing Westerners in Kenya represent a victory for al Qaeda and is this representative of the future of the group's transnational jihad? Does the radicalization of Muslims in the West pose a substantial threat to global security and what can be done to stop it?

With an estimated 40,000 Westerners currently living in

OPTIONS:
- Al Qaeda, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- Al-Shabaab, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- American, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- British, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- CNN, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- Canadian, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- Chinese, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- French, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- Jonathan Russell, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- Kenya, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- Kenyan, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- Muslims, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- Nairobi, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- Somalia, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- West, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- Western, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- Western Muslims, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- Westerners, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- Westgate Mall, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.
- al Qaeda, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.


Kenya, many more visiting as tourists each year, and an area of limited policing on the Somalia-Kenya border, Western members of Al-Shabaab constitute a potentially large threat to the country's security.