President-elect Trump’s pick for Labor secretary has organized labor cheering and business groups sounding worried as the atypically labor-friendly choice could signal a new and more receptive stance toward unions from Republicans, who have long resisted labor’s agenda. Following a recent increase in popularity among unions and the precedent-breaking appearance of Teamsters President Sean O’Brien at the Republican National Convention in July, the choice of Rep. Lori Chavez-DeRemer...