The Republicans' 2016 presidential nominee is just one sign of a major political party coming unhinged. Look beyond Donald Trump's most outrageous statements, and it's not as if the GOP has a reasonable side with workable solutions for the country's problems. After a long career in Washington's foreign policy community and leading and taking part in numerous bipartisan initiatives, David Shorr eventually concluded the Republicans' main policy ideas were no longer credible. In I Call Bullshit, Shorr dismantles the false premises on which the Republicans base their entire approach to the...