Next to getting President Joe Biden reelected, Democratic strategists’ top priorities for 2024 include flipping the U.S. House of Representatives and keeping their small U.S. Senate majority. If Biden is reelected but Democrats lose the Senate, that would complicate his second term — as nominees for a president’s administration and the federal courts are confirmed via Congress’ upper chamber. Democrats are likely to lose a Senate seat in West Virginia now that Sen. Joe Manchin isn’t seeking reelection, by they may hold their majority if Sens. Sherrod Brown (D-Ohio) and Jon Tester (D-Montana) a…