The CIO has become pivotal — and demanding. But having a trusted No. 2 can help ease the pain. Here’s how to find the best second-in-command. Source: CIO MagazineThe CIO role is expanding quickly. No longer a tactical leader supporting the IT stack, the CIO has become a pivotal co-creator with business leaders. With so much at stake and on their plates, IT leaders need a dependable second-in-command, someone who can offer advice, handle critical IT, business and personnel tasks and, most importantly, be ready to take the helm when the need arises. Finding a trusty No. 2 isn’t easy, however. The job requires a deep IT and business skillset,…