WASHINGTON - A climate advocacy group comprised of high-profile backers of Democratic presidential candidate Joe Biden on Tuesday urged the former vice president to consider using U.S. financial regulation as a tool to fight global warming if he is elected. Evergreen Action, a group of former staffers of Washington Governor Jay Inslee and Senator Elizabeth Warren who have advised the Biden campaign on a range of issues, handed the campaign a policy memo detailing how he could use the U.S. financial system to counter climate change within his first 100 days in office if he defeats Republican President Donald Trump....