A majority of Americans back resuming work on a major pipeline that President Joe Biden blocked soon after taking office, according to a new poll. Some 71 percent of respondents to the survey said they “favor very much” or “favor somewhat” Biden signing an executive order to restart construction of the Keystone XL pipeline. The poll was conducted by Maru Public Opinion for a Canadian news outlet. If built, the pipeline would transport oil from Canada through the middle portion of the United States down to Texas. Biden on his first day in office signed an order revoking authorization for the pipeline. President Donald Trump had allowed the project to move forward after President Barack Obama blocked it. Biden’s order referred to a 2015 assessment by the Obama administration that determined the pipeline “would not serve the U.S. national interest” because the pipeline would have a “limited” impact on energy …