Mexican wave plans to turn the tide on Trump

Unions mobilise Las Vegas Latinos against Republican candidate
Republican presidential candidate Donald Trump speaks during the Palm Beach County GOP Lincoln Day Dinner at the Mar-A-Lago Club, Sunday, March 20, 2016, in Palm Beach, Fla. (AP Photo/Wilfredo Lee)
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Donald Trump’s rise to the top of the Republican Party presidential field means that by this time next year efforts could be under way in the US to build a “great wall” along the southern border and deport millions of unauthorised Mexican immigrants.