LA PAZ, BOLIVIA — A constitutional court in Bolivia has barred former President Evo Morales from running again for office, ushering in a new phase in the country’s long-running political crisis. Morales, who led Bolivia from 2006 to 2019, had been vying for the candidacy of his MAS party, alongside his former mentee-turned-rival, President Luis Arce. But, in a decision last week that was reported on Friday, Bolivia’s constitutional court ruled that presidents were limited to serving two terms, whether consecutive or nonconsecutive. After his first two terms, a court ruling allowed Morales to serve a third term because his