The president went on yet another retweet rampage as he re-shared 60 posts in around 45 minutes that praised him, defended him or echoed his main talking points. Themes included immigration, his national emergency on the U.S.-Mexico border, special counsel Robert Mueller’s Russia report, the economy, his trade war with China and his 2016 Democratic election rival Hillary Clinton. Posts from ultra-conservative website Breitbart News, Trump’s personal lawyer Rudy Giuliani, GOP chairwoman Ronna McDaniel, Sen. Lindsey Graham (R-S.C.), Sen. Ted Cruz (R-Texas) and Mike Huckabee, the former Republican governor of Arkansas, all figured in the avalanche of retweets. Trump also...