Joe Biden to the city for next year's COP26 conference, local leaders have said.Heads of state from around the world are expected at the SEC on Clydeside for the United Nations climate change conference in November 2021.And the leader of Glasgow City Council has said the president-elect should "bring a waterproof" in preparation for the unpredictable autumnal Scottish weather.Biden has already promised to introduce the boldest package of environmental measures of any US leader in history during