JAKARTA, Aug 13 (Reuters) - The biggest, and possibly riskiest, move in Indonesian President Joko Widodo's cabinet reshuffle this week was the appointment of Luhut Pandjaitan as coordinating minister for security and political affairs.

Indonesian President Joko Widodo vowed to ramp up his faltering campaign against corruption, an impediment to boosting Southeast Asia’s largest economy. Widodo, 54, who on Wednesday revamped his cabinet, said he wants to strengthen government institutions to better tackle wealth inequality and...