U.S. Customs and Border Protection in Newark Liberty International Airport. Nicolas Economou/NurPhoto via Getty Images Some European companies are growing wary about sending their employees to the U.S. It comes amid volatile policymaking by the Trump administration, more stringent immigration checks, and an uptick in reports of detentions and deportations. Some businesses CNBC spoke to,…
Plane etiquette seems so simple — be spatially aware, don't bother other passengers and follow the instructions of the air crew. But campaigns and crackdown efforts to quell disruptive behavior suggest it persists. At first glance, a new book — "How to Avoid Strangers on Airplanes: Survival Guide for the Frequent Business Traveler" — seems…