Three important implications for managers: 1. A leader is someone who influences how a group or organization understands and addresses the core issues it faces, but does not necessarily have formal authority. 2. A group can have more than one leader. It is possible for all group members to make leadership contributions on an equal footing, different people may demonstrate leadership in different areas. For example, one person might lead group tasks while another person would maintain group morale and commitment. 3- When dealing with strategic and mission issues, know and understand the environmental factors necessary to exercise leadership. Which of these are the most important impacts in the covid-19 era and what should a leader do to make sure things go according to plan. ?