In oil price war, Saudi's biggest rival is next door.

In oil price war, Saudi's biggest rival is next door. Kuwait, Saudi Arabia's traditional Gulf ally, is challenging its bigger neighbour in an increasingly competitive battle for market share as it sells oil to buyers in Asia at the widest discount to a comparable Saudi grade in 10 years.Kuwait's price cut to Asia, and cuts by other Middle East producers including Saudi Arabia and Iraq, have underscored competition for oil sales to the region as a...