Rep. Mike Waltz (R-Fla.) will resign from the House on Jan. 20, the day President-elect Trump takes office, to become the national security adviser for Trump's second term, a source familiar with the matter confirmed to The Hill.

His upcoming resignation means that House Republicans, who were already slated to have a razor-tight majority, will be at least two members down when Trump takes office until at least April 1 — the date set for the special election to replace both Waltz and former Rep. Matt Gaetz (R-Fla.), who withdrew from consideration to be Trump’s attorney general last week but said he won't return to Congress.

Staying through Jan.........

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