ASUNCIÓN, Paraguay, June 9 (UPI) -- Bolivia's Supreme Electoral Tribunal has approved 10 presidential tickets for the Aug. 17 election, confirming that former President Evo Morales will not be allowed to run. The announcement comes amid heightened political, economic and social tensions, including a supply crisis and protests organized by Morales' supporters, who are demanding his reinstatement as a candidate. The tribunal said Morales does not meet the constitutional requirements to seek