Campaigning is moving into high gear ahead of Thailand’s first general election in nearly five years. But a decades-long political divide between people in the capital and farmers in the northeast countryside overshadows the polls set for March 24, 2019. The divisions are been blamed for waves of political unrest, which have prompted the military to take over in several coups. Ousted former Prime Minister Thaksin Shinawatra is seen as the most divisive factor in the elections because he…