If US tariffs seek to pressure a change in European policy, the EU will have "no other option," but to trigger its Anti-Coercion Instrument, says Ignacio García Bercero, Non-Resident Fellow at Bruegel. García Bercero, who served as the EU's Chief Negotiator for the Transatlantic Trade and Investment Partnership, says measures targeting public procurement and US services could be in the bloc's toolbox.