Argentina's Macri backs farmers' protest in hunt for presidential votes

Mauricio Macri, Argentina's main opposition challenger in the presidential race, on Wednesday threw his support behind an anti-government protest staged by farming groups, hunting for extra votes to ensure this month's ballot goes to a run-off. Macri, who has lost ground in past weeks to the ruling party candidate Daniel Scioli, pledges to unwind controls on the economy that include hefty export taxes and quotas on grains exports imposed by the outgoing president, Cristina Fernandez. In the run-