After losing in lower courts, President Donald Trump plans to take his case for the authority to unilaterally impose tariffs to the Supreme Court and the public square.

But his aides have also explored alternative methods for imposing import taxes on foreign goods, according to a senior White House official and two people familiar with the internal discussions.

The backup plans have been part of internal discussions for many months because some White House officials anticipated the possibility that courts would intervene to stop Trump’s tariffs, challenging the method he used to impose them — which was pushed by senior trade counselor Peter Navarro — according to two people familiar with the dynamics.

Trump has not been able to use tariffs to force better trade terms with as many foreig

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