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nbsp;During his confirmation hearing, Buttigieg left the door open to raising the federal gas tax to pay for repairs to America's crumbling roadways, pledged to help put in place new federal automotive fuel economy standards to reduce greenhouse gas emissions, and defended Biden for revoking the Keystone XL pipeline permit, saying job losses will be offset by creating new green jobs. 2x optical zoom nbsp;"I believe we do need to play the national anthem, but what we truly need is a holistic conversation and we need to stop the hypocrisy of people that don't have the same energy to pursue the unity that they talk about with the flag when it comes to understanding maybe the differences of opinion surrounding that flag and surrounding the national anthem. 2x optical zoom These scientific guidelines tell us that our schools are safer when we have appropriate distancing in classrooms and on school buses, when masks are worn consistently and properly, when handwashing occurs regularly, and when we are able to effectively respond to cases through testing and contact tracing, and when we follow other recommended steps," Biden said in a statement. 2x optical zoom Further, it would exacerbate the damage caused by your other unilateral actions on immigration, including: barring virtually all deportations of illegal immigrants, including violent criminals; halting ongoing construction of a border wall demanded by law enforcement personnel on the front lines; and opening the door to admitting immigrants who cite the need to flee climate change," the senator said. 2x optical zoom