“Merging companies will get a shortcut to ending antitrust investigations under a Justice Department change meant to make the government review process less burdensome for businesses,” the Wall Street Journal reports.“The department’s antitrust division plans to announce on Thursday a new model for streamlining merger reviews that would quickly focus on the most apparent ways a deal might diminish competition, according to department officials. Antitrust enforcers won’t use the targeted approach in every case, but the process will allow some deals to clear federal scrutiny earlier, the officials said.”