By anyone’s measure, the impeachment process now unfolding in the U.S. Congress is making it more difficult to achieve legislative victories, even on issues that have support from both political parties. Big items at the top of the agenda in January 2019 — lowering prescription drug prices, passing a major infrastructure bill, stabilizing our health-care system and reforming the immigration system — have hardly made it out of the starting gate. Instead, Congress will once again end the year struggling to fund the government.