Mexico's government is planning a diplomatic push to counter aggressive rhetoric against its nationals in the U.S. election race, a senior official said on Tuesday, after calls by Donald Trump for a massive wall to divide the two nations.
Republican presidential candidates Marco Rubio and Ted Cruz have also proposed building a wall along the U.S.-Mexico border, but it is Trump who has taken the hardest line against the United States' southern neighbor.
The Republican front-runner has labeled Mexican migrants as drug runners and rapists, proposed mass deportations of undocumented immigrants and said Mexico is . . .
