[1/4] NATO Secretary General Jens Stoltenberg, Poland's President Andrzej Duda and Canada's Deputy Prime Minister and Minister of Finance Chrystia Freeland take part in the World Economic Forum session on "Restoring Security and Peace. REUTERS/Arnd WiegmannDAVOS, Switzerland, Jan 20 (Reuters) - Global leaders and business executives departed a freezing World Economic Forum (WEF) meeting on Friday after a frank exchange of views over how the world will tackle its biggest issues in 2023. Here's what we learned:ECONOMY: Gloom and doom heading into Davos turned into cautious optimism by the end with the global economic outlook for the year ahead looking better than feared. On the inside, political leaders like Kier Starmer railed against new oil investments and Pakistani climate minister Sherry Rehman pushed for loss and damage funding. The lesson I have learned in the last years ... is money, money, money, money, money, money, money."

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