Uruguay will abandon Mercosur if Lacalle is elected president

The former president (1990/1995) said Uruguay is banned constitutionally from calling elections for the Mercosur Parliament, which is made up of Argentina, Brazil, Paraguay and Uruguay as full members. Venezuela is in the process of incorporation.
“You can’t legislate to call elections (in Uruguay) for the Mercosur parliament. We need a constitutional amendment which must also [...]