>> the disasters in japan have disrupted the supply of manufactured goods in parts of the u.s. that is costing jobs and causing shortages. as we hear from our reporter. >> it's an economic jolt from japan's quake here at home. 900 workers at this gm plant in louisiana are out of a job indefinitely because the trucks they build use electronics from japan and the quake has halted supply. >> it's not a good thing. when good things happen it ripples throughout the economy. when bad things happen, it ripples through the economy. >> most of japan's car factories were not directly hurt in the damage. but several companies had to stop production. rolling blackouts make power unreliable. honda said 1/3 of the 110 suppliers are shut down and much of the country is in no condition to get parts moving again soon. >> the real issues are look of power, lack of transportation to get workers up there. >> truckdriver dennis up craft