Jonathan Karl is chief Washington correspondent for ABC News and author of Tired of Winning: Donald Trump and the End of the Grand Old Party. It’s his third expose of Trump’s one-term presidency, and he even admitted to writing this one as a warning to voters. Naturally, on Friday, PBS’s tax-supported political roundtable Washington Week with The Atlantic invited Karl on to plug his book.Host Jeffrey Goldberg praised the “extraordinary book” and with snide help from his panelists, Atlantic journalist Franklin Foer and Washington Post journalist Anne Applebaum, throwing around “authoritarian” accusations, Karl made his cas …