As work travel and hours in the office mount, work parents are feeling the logistical challenges of making every week happen — from kid pickup and dropoff and sports practice to meal planning and doctor’s appointments. The main difficulties lie in managing the firehose of information, coping with decision fatigue, and dealing with surprises like an illness or a forgotten event. The best approach for avoiding — or mitigating — these obstacles is the weekly preview: A planning session between the core adults in the family each week to go over what’s coming. The week’s plan…