Brussels, 27/02/2012 (Agence Europe) - The planet's principal economies asked the Europeans first of all to tighten up the financial firewall before thinking about increasing IMF resources to assist countries which are struggling, at this weekend's meeting of the G20 finance ministers in Mexico City. The European eurozone leaders are to hold talks this week on the possibility of combining the two bailout funds in order to bring total European intervention capacity to €750 billion, but the...