Pressure On Senate GOP After Same-Sex Marriage Bill Passes House

The transcript discusses the bill to codify federal protection for marriage equality, which has passed the House and is now in the Senate. It highlights the support from some Republican senators and the historical context of the 2015 Court decision. The bill requires 10 Republican senators to join 50 Democrats to overcome a legislative filibuster.

What decision made by the Court in 2015 is referenced in the text?

What would be required to overcome a legislative filibuster against the bill?