Politico Magazine's chief political correspondent provides a rollicking insider's look at the making of the modern Republican Party—how a decade of cultural upheaval, populist outrage, and ideological warfare made the GOP vulnerable to a hostile takeover from the unlikeliest of insurgents: Donald J. Trump.The 2016 election was a watershed for the United States. But, as Tim Alberta explains in American Carnage, to understand Trump's victory is to view him not as the creator of this era of polarization and bruising partisanship, but rather as its most manifest consequence.American Carnage is the story of a president's rise based on a country's evolution and a party's collapse. As George W. Bush left office with record-low approval ratings and Barack Obama led a Democratic takeover of Washington, Republicans faced a moment of reckoning: They had no vision, no generation of new leaders, and no energy in the party's base. Yet Obama's forceful...