Good Tuesday morning. Here are some of the stories making news in Washington and politics today.

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• The Trump administration will make it harder for legal immigrants who rely on government benefit programs, such as food stamps and subsidized housing, to become permanent residents as part of a new policy aimed at altering the flow of immigration and reducing the number of poor immigrants.

• Democrats want to revive a ban on assault weapons, but with Republicans in charge of the Senate and President Trump in the White House, an assault weapons ban has little chance of being signed into law before 2021.

• Democratic candidates are used to arguing over health care, but there hasn’t been a robust policy discussion on gun control in a presidential primary since 2000. Now, candidates are navigating an electorate driven in part by young voters who came of age in the mass shooting era.