Text: Moreover, given the political damage the GOP has suffered by unilaterally impeaching Clinton, Republican leaders fear that the merits of their arguments will once again be drowned by charges of partisanship.
Entailment: Republicans are afraid that charges of partisanship will overshadow any merits to the GOP's unilateral impeachment of Clinton.
Contradiction: The GOP is not concerned that their impeachment of Clinton will bring charges of partisanship.