New details are emerging in the tragedy in Florida where a gunman killed 17 people inside a high school. On this edition of Capital Tonight, we had the latest on the shooting and a Texas Senator's plan to talk bipartisan gun reform policies.

Plus, DREAMers remain in limbo after senators reject immigration proposals.

And we dissected a new study that shows there’s lack of enthusiasm of Texas voters. Susan Nold of the Annette Strauss Institute for Civic Life at UT Austin joined us with her recommendations for improving political and civic involvement.