Senate Democrats could find some of their most surprising allies next Congress from the right wing of the Republican Party.Why it matters: Senate Democrats are on track to need only four GOP votes to break filibusters next Congress. They could find those votes from a bloc of GOP senators with a shared appetite for taking on corporate power.Enter Sens. Josh Hawley (R-Mo.), Jim Banks (R-Ind.), Bernie Moreno (R-Ohio) and Eric Schmitt (R-Mo.).