WEST PALM BEACH — Aside from the 600 or so people who came to hear her speak at the Kravis Center on Monday, conservative flamethrower Ann Coulter says it’s hard to find people she can talk to now that she’s directed her scorching criticism on President Donald Trump and his failure to build a U.S.-Mexico border wall. “It’s frustrating,” Palm Beach resident Coulter said at a Forum Club of the Palm Beaches luncheon. “I can’t talk to Trump detractors because, as the subtitle to my last book indicated, they’re insane. I can’t talk to the Trump flatterers because they think...