Several high-profile U.S. Senators have stepped forward in recent days to express their support for the expansion of federal anti-discrimination laws to provide protection from discrimination based on sexual orientation and gender identity. These supporters include Senators Cory Booker (D-N.J.), Bernie Sanders (I-Vt.), Kamala Harris (D-Calif.) and Kirsten Gillibrand (D-N.Y.).

This issue has been debated…