War, extremism, Islam, and America's language police

In the process of making his case, Mr. Giuliani joined a rising chorus of language police on the American right, spearheaded by Fox News, who are furious (they say) that the Obama White House tries to avoid smearing all Muslims with the same brush when talking about Islamist jihadis like the Islamic State and Al Qaeda. This complaint was directed at Mr. Obama during an international summit in Washington on what his administration calls "countering violent extremism." In his remarks, Obama str