It’s usually tough to get excited about a rugged phone for enterprise customers, but the ThinkPhone by Motorola is a little different. It’s the first co-branded device since Lenovo bought the mobile company nine years ago and, unsurprisingly, is designed to work with Lenovo’s ThinkPad laptops. It’s heavy on security features and ThinkPad integrations, like a shared clipboard and automatic connection over Wi-Fi, along with a durable exterior and a customizable red button that...