CONAKRY, Guinea — Coup leaders in Guinea issued a declaration on state radio Sunday saying all military generals of the former regime had been demoted, raising the spectre of instability in the country. The demotions included more than 20 military heads, including those who ran the country's army, navy and air force. The list also includes security force chiefs. .... The move comes amid questions about whether coup leader Capt. Moussa Camara is able to control the plethora of military units created under Conte's 24-year rule. Capt. Camara's group seized public airwaves and declared a coup Tuesday just hours after...