In the Kenyan Election, a Fierce Battle to Lead an African Powerhouse

Kenyans vote for a new pres­i­dent on Tues­day, end­ing a heat­ed race that shows why, in a trou­bled region, the East African nation mat­ters more than ever. KANGARI, Kenya — The heli­copter swooped over the lush tea and cof­fee fields flank­ing Mount Kenya, Africa’s sec­ond high­est peak, and touched down out­side a small high­land town where…