Standard and Poor's will decide whether or not to downgrade euro zone countries in the coming days following an EU agreement to forge tougher fiscal rules, the rating's agency's head in France said on Friday. S&P said earlier this week that it would decide whether to downgrade 15 euro zone countries, including Germany and France, depending on whether an EU summit in Brussels on Thursday and Friday produced a convincing response to the debt crisis. With the excerption of Britain, EU countries agreed at the summit to draft a new treaty creating a tougher fiscal regime and closer economic integration. S&P's Carol ... (full story)