In a recent interview with Politico, House Agriculture Committee chairman Collin Peterson (D-Minnesota) confirmed that he hasn’t decided whether he will run for re-election in 2020. A big factor in his forthcoming final decision: the 2022 farm bill. According to Peterson,  "It's getting harder every time to do a farm bill. It's a big commitment. So that's really what my main thing is — if I want to do that. Because then basically I feel like I have a responsibility to see it through.” The chairman is correct – farm bills are difficult. Consider the recent history. Congress passed a farm bill in 1990, but then passed the Food, Agriculture, Conservation, and Trade Act Amendments of 1991, which was then further r...