Trust has become more important than ever in our working relationships. We choose carefully who we work with and where we spend our money. We may even need to build virtual teams who rarely see each other. Yet, our trust in politicians, media and businesses is at an all-time low. How can we create trust with our colleagues and clients? How can we build credibility on the phone or in a meeting? Emily Fairman speaks to Richard Newman and reveals simple tips to apply at work.