Terror Expert and Obama Advisor Bruce Riedel 'A Nightmare We Cannot Afford in the 21st Century'

In a SPIEGEL interview, Bruce Riedel -- a CIA veteran, al-Qaida expert and advisor to President-elect Barack Obama -- discusses the likely perpetrators of the attacks in Mumbai, Pakistan's role as the breeding ground of the global jihad and strategies for combatting terror.
Interview conducted by Cordula Meyer.