all of this is not sitting too well with republican senator charles grassley who represents iowa, the largest ethanol-producing state in the country. >> they screwed us when we didn't -- when they issued 31 waivers compared to less than ten waivers during all the obama years. and we thought that was bad. what's really bad isn't a waiver. it's that it's being granted to people that really aren't hardshiped. and that's where it ought to be identified. >> president trump tried to ease the tension today tweeting that his administration is planning a giant package related to ethanol and that farmers will be happy with it. he didn't say what the giant package might be. nbc's vaughn hillyard has been talking with corn farmers and ethanol producers in iowa. he joins us now from the town of shenandoah. vaughn, it's a complicated issue to understand. tell me how these waivers affect corn producers and ethanol producers. >> reporter: yeah. you head out this way, ali, across the midwest and there's pretty much a consensus of opposition to these waivers. because the ones that are taking the fall a