Key House GOP appropriators are raising concerns about the White House’s use of a legally untested budgetary tool to terminate billions in foreign aid funds as the Supreme Court decides whether to weigh in on a tactic that could overhaul congressional funding power.

Hard-line conservatives have cheered on the Trump administration’s use of a so-called pocket rescission as the White House seeks to cancel the foreign aid funds — money that is now at the center of a legal dispute before the Supreme Court.

Several key Republican appropriators in the House are expressing caution about the long-term implications of the tactic, saying it could be a double-edged sword for Republicans down the line if a Democratic president wishes to target funding liked by conservatives.

In late August, the Wh

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