Though President Trump said he would block money transfers to Mexico to fund a much-needed border wall, Mexicans in the U.S. sent a record $33.48 billion in remittances last year and a big chunk of it flowed through a government program operated by the Federal Reserve....Uncle Sam facilitates the process with a program called "Directo a Mexico" (Direct to Mexico), launched by the Federal Reserve, the government agency that serves as the nation’s central bank, more than a decade ago. President George W. Bush came up with the idea....