U.S., Jan. 17 -- Attacking the travel and tourism industry is the modus operandi by almost every terror group in the world. Tourism is a fragile industry and attacking the infrastructure of tourism can have substantial economic losses, and is a PR nightmare for every countr y, according to the U.S. based travel and tourism security consulting group certified.travel

Al-Shabaab has claimed responsibility for the terror attack in Nairobi in which scores of people were killed and injured. The question the terror attack raises is why the group continues to target Kenya. The Conversation Africa's Moina Spooner and Julius Maina spoke to Brendon Cannon and Martin Plaut.

What is Al-Shabaab?

Brendon Cannon : Al-Shabaab is an Islamist terror grou...