Ilana Panich-Linsman for The New York Times WASHINGTON — The Mexican foreign minister said Monday that no secret immigration deal existed between his country and the United States, directly contradicting President Trump’s claim on Twitter that a “fully signed and documented” agreement would be revealed soon. Marcelo Ebrard, Mexico’s top diplomat, said at a news conference in Mexico City that there was an understanding that both sides would evaluate the flow of migrants in the coming months. And if the number of migrants crossing the United States border was not significantly reduced, he said, both sides had agreed to renew discussions about more aggressive changes to regional asylum rules that could make a bigger impact. “Let’s have a deadline to see if what we have works and if not, then we will sit down and look at the measures you propose and those that we propose,” Mr. Ebrard said, […]