The Senate has reached a bipartisan deal that could lead to the most significant federal response to gun violence in decades.

Senator Chris Murphy, Democrat of Connecticut, was deeply involved in the negotiations. Today, he tells us how news of the shooting in Uvalde, Texas, left him with a feeling of desperation — and renewed determination to make progress.

Guest: Senator Chris Murphy, who has spent the decade since the massacre at Sandy Hook Elementary School in Newtown, Conn., trying to enact change on gun safety.

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Background reading: 

• The agreement put forward by 10 Republicans and 10 Democrats would provide funding for states to enact “red flag” laws that allow the authorities to temporarily confiscate guns from people deemed to be dangerous.
• Though the deal is less than Democrats wanted, it is still seen as a significant step that could save lives.
• Americans in communities scarred by mass shootings acknowledged the proposal as progress but said it did not go far enough.

For more information on today’s episode, visit nytimes.com/thedaily. Transcripts of each episode will be made available by the next workday.