Nigerian politician Peter Obi will run for president in the West African nation’s January elections, ensuring that the opposition to incumbent Bola Tinubu will once again be fragmented. Obi, second runner-up in the 2023 ballot narrowly won by Tinubu, was ratified late on Saturday as the candidate of the Nigeria Democratic Congress party. In his acceptance speech, he pledged to tackle insecurity, double health insurance coverage, and “invest heavily in schools, teachers, technology, and...