Leaders of the Group of 20 economies on Saturday agreed to promote free and fair trade without a signature pledge to fight protectionism for the second year running, amid a U.S.-China tariff war.Wrapping up two days of discussions under Japan's presidency, they said trade and geopolitical tensions have intensified, committing to using "all policy tools" to support the global economy facing downside risks."We strive to realize a free, fair, non-discriminatory, transparent, predictable and stable trade and investment environment, and to keep our markets open," said their declaration, released…READ FULL ARTICLE