What makes a good leader? asks Graham Stewart. Brian McGuire, managing director of mobile opticians Visioncall, tells us what he learned about leadership on a recent Scottish Enterprise delegation to the US. And Oliver Crane, managing director and lead consultant of TBL Organisational Development, shares his thoughts on what makes a good leader. Bob Keillor, CEO of the energy services heavyweight PSN, talks to our business editor Douglas Fraser about leadership and core values at the heart of his business. Plus Suzanne Allan reports from Glasgow's Blindcraft factory which employs those with disabilities in the making of furniture and which has now turned a modest profit.