The Democratic National Committee Staff Union blasted its leadership for laying off scores of employees without severance last week, blaming the "shocking" move on "callous and short-sighted mismanagement." "The Democratic National Committee is facing the fallout of callous and short-sighted mismanagement by senior leadership," the union said in a Monday statement. "The principles we champion on the national stage have been disregarded in our own workplace." While dismissals are common among