2013 saw the transition of power from the former Emir, Sheikh Hamad bin Khalifa Al Thani, to Sheikh Tamim bin Hamad Al Thani, his fourth son and second son with Sheikha Moza bint Nasser, a move unprecedented elsewhere in the Gulf but not unexpected in Qatar. Qatari investments straddle the globe, and the world’s top financial, construction, energy, retail and real estate businesses are vying for...