Will political polling back home impact the Senate Agriculture Committee’s drafting of the farm bill?As former House Speaker Thomas “Tip” O’Neill (D-Massachusetts) is famous for citing, “All politics is local.” A recent poll of 85,000 voters comparing the popularity of U.S. senators seems to bear that out. It was conducted online during January-March by the firm Morning Consult and indicates that the least popular senator is Majority Leader Mitch McConnell (R-Kentucky), the one most often in the news associated with national issues. In fact, he is the only senator whose negatives (47 percent) are higher than his positives (44 percent) from voters in his home state.The Senate’s most popular member is Bernie Saunders (I-Vermont) with approval...