WASHINGTON - Sen. Mike Lee, who tested positive for COVID-19 Oct. 1, attended the Senate Judiciary Committee’s confirmation hearing for Supreme Court nominee Amy Coney Barrett, delivering his opening statement without a protective mask.The medical community and the CDC have said masks are important tools for stopping the spread of COVID-19 when worn by infected persons.Lee, a Utah Republican, was among the government officials, including President Donald Trump, who recently battled coronavirus infection.Last month, Lee attended a White House Rose Garden event where Barrett was nominated to replace the late Justice Ruth Bader Ginsberg.