VAIL — On the cobbled streets of this prosperous village, lilting Spanish will soon eclipse English as affluent Mexicans flood the valley for an annual pilgrimage that dates back decades. But this Semana Santa — Palm Sunday to Easter — may be a bit lighter than usual on Latinos. High-end hoteliers are seeing rare April availability, and Vail Resorts is reporting a dip in ever-important Mexican travelers, as Canada boasts a surge in vacationers from Mexico. While it may be easy to blame any downturn on President Donald Trump’s plans for a border wall and complaints about the crimes of immigrants living in the U.S.