who signed the letter say that they will pull their support of the out bisexual senator if she does not assist in getting rid of the filibuster for good.“Arizona can be a leader in this fight,” the letter states, noting the number of queer and trans residents in Phoenix is a higher percentage of the population than New York, Silicon Valley, or Chicago. “We have the power to lead the nation on queer and transgender rights”Many see the filibuster as a significant obstacle standing in the way of passing the Equality Act, which would ensure protections for LGBTQ+ are enshrined in the Constitution.