OP-ED. The US Supreme Court's ruling on tariffs imposed under emergency powers does not remove the trade weapon from the president's arsenal, but only reshapes how it can be used. For law professor Julien Chaisse, the EU must adjust to this new legal landscape.

The Supreme Court decision to strike down Trump's tariffs has thrown fresh confusion over the raft of trade deals negotiated with global partners, stalling trade talks.

OP-ED. The US Supreme Court's ruling on tariffs imposed under emergency powers does not remove the trade weapon from the president's arsenal, but only reshapes how it can be used.…

COLUMN. The American president's protectionist zeal has led him to use a legal mechanism that allows him to introduce tariffs in the event of a balance of payments deficit. The…