Bolstering Donald Trump's pledge to build a wall and deport criminal illegals, a former Mexican foreign secretary said that there are "many ways" the Republican presidential candidate, if elected, can get Mexico to pay for the wall and deport four million immigrants. "The wall is a perfectly feasible promise to fulfill," said Jorge Castañeda, Mexico's secretary of foreign affairs from 2000 to 2003. Dismissing a Mexican Senate move to block federal payments to a Trump administration for the wall as "silly," Castañeda offered up several ways for Trump to find the money. "If he really wants Mexicans to pay for...