Article snippet: Most popular on bostonglobe.com Based on what you've read recently, you might be interested in theses stories Analysis WASHINGTON — When President Trump traveled to Little Havana in Miami Friday to put new restrictions on Cuba trade, he rolled back a recent thaw with the island nation that has been popular not just among Democrats but also within his own party. When he yanked the United States from the Paris Climate Accord, he set aside broad support for the pact from within the GOP establishment. On his trip to Europe last month, he declined to express support for the mutual defense clause of the NATO treaty, for decades the bipartisan bedrock strategy of America and its allies, to contain Russia (he later did voice approval). Even the frequency with which Trump offers his unfiltered thoughts via Twitter is concerning to many Republicans. But one audience is loving all these moves: The Trump Base, the 35 to 40 percent of American voters who reliably tell pollsters they strongly support the embattled president — and show no signs yet of backing away. With his administration mired in investigations and controversy, distracted by scandal and unable to lead policy debates, Trump is taking almost no steps to expand his support and broaden his leadership of the Republican Party. Instead, he has retrenched in recent weeks, drawing from a positive political feedback loop he enjoys with the disenfranchised voters who fueled his rise and election victory in th... Link to the full article to read more