Based on a race-by-race analysis, FDL Review projects that the Republicans will hold a four-seat majority in the United States Senate after the 2018 midterm elections. The GOP will hold 54 seats and the Democrats 46, according to our research. This will allow the Republicans to easily confirm judges (and justices) appointed by President Donald Trump. Additionally, a four-seat lead will put the GOP in a strong position ahead of tougher 2020 Senate races, where Republican seats will be contested in purple states like Colorado, North Carolina, Maine, and Iowa. FDL Review predicts that Republicans are favored to win the highly-contested seats in Nevada, Arizona, Indiana, and Missouri. Democrats, based on our projections, are favored to win the seats in Montana, Minnesota (special election), Wisconsin, Michigan, West Virginia, New Jersey, and Florida. Other seats on the map are "likely" going to one party or the other, and some are "safe" for one party or th...