Donald Trump has threatened to sue CNN for repeatedly calling him a liar over his election-fraud claims. Trump’s 282-page warning letter criticizes the network for likening his false propaganda tactics to those of the Nazis. That’s a ‘particularly offensive slur’ given Trump’s ‘Jewish family members,’ his lawyers told CNN. In threatening to sue CNN for defamation this week, Donald Trump — who once likened a mob that included neo-Nazis to “very fine people” — took particular offense to the network comparing his election-fraud claims to Nazi propaganda efforts. The Trump-Nazi analogies are “particularly offensive,” given that Trump has “Jewish members...