Life Time has scrubbed all-news cable channels from the screens at its fitness centers, saying a growing number of customers think they don’t fit a healthy lifestyle. The Chanhassen-based company this week dropped CNN, Fox News, MSNBC and CNBC from TVs in front of various workout machines. While the screens were in view of all in fitness areas, audio could only be heard through earphones. With a few exceptions, TV screens built into treadmills and other cardio machines also “currently do not have the ability to display these channels,” Life Time spokeswoman Natalie Bushaw said Thursday. However, a second phase...