By Balazs Koranyi and Francesco Canepa FRANKFURT (Reuters) – European Central Bank President Christine Lagarde has given national central bank chiefs a bigger say in policy meetings, asking her own board to speak less and set aside more time for debate, sources familiar with the process said. Lagarde has told chief economist Philip Lane and fellow board member Isabel Schnabel to limit their presentations and leave more space for the central bank chiefs of the euro’s 19 countries to air their views, six sources told Reuters. Marshalling consensus among different countries has always been a tric…