In the early months of Donald Trump's candidacy, the GOP's most important figures, like Marco Rubio, Ted Cruz, and Lindsey Graham, were united in their scorn. Trump was a menace and an affront to US democracy. Then, awkwardly, Trump won. Thank You for Your Servitude is Mark Leibovich's unflinching account of the moral rout of the Republican party, tracking the transformation of Rubio, Cruz, Graham and more into the administration's enablers.