Exports have been the engine of growth and agricultural products have been star performers.

ECONOMIST: Stranded on the farm?

This aid does not reach all Ghanaians, especially those in the traditional agricultural industries that used to be the engine of Ghana's economy.

ECONOMIST: Ghana

Agricultural exports that used to be the engine of the economy have shriveled, and foreign currency to import goods is hard to come by.

NPR: Report Describes a Zimbabwe in Crisis

Programs he has gone after in the past include agricultural subsidies, defense programs such as C-17 military transport planes, and an alternate engine for the Pentagon's Joint Strike Fighter.

WSJ: Obama to Push New Spending in State of the Union