The Star-Ledger of Newark, the biggest newspaper in New Jersey and among the largest in the nation by print circulation, announced Thursday that it would cut 167 jobs, including 40 newsroom positions. The cuts, which amount to a reduction of 25 percent in an editorial staff of about 160, come days after the newspaper’s owner, Advance Publications, announced a plan to centralize journalism, advertising and marketing across The Star-Ledger, its sister publications and NJ.com, a local news portal. In an article on the cuts, the newspaper described the development as “a grim day of reckoning” and said that whole offices...