Former President Donald Trump on Tuesday issued a blistering attack on the most powerful Republican in post-Trump Washington, calling Senate Minority Leader Mitch McConnell an “unsmiling political hack” who should be thrown out of office. “The Republican Party can never again be respected or strong with political ‘leaders’ like Sen. Mitch McConnell at its helm,” Trump said in an emailed 626-word statement that all but declared political war on the Kentucky Republican. “McConnell’s dedication to business as usual, status quo policies, together with his lack of political insight, wisdom, skill, and personality, has rapidly driven him from Majority Leader to...