Opposition lawmakers in Colombia have raised concerns over the promotion of 40 military officers, many accused of crimes against humanity, corruption, or ties with drug traffickers. They say such promotions should not proceed until a full investigation has been made. Underlying such concerns is the new role of the military in a post-conflict Colombia and the need to redefine security and the army's role in peacetime. Natalia Margarita reports from Bogota. teleSUR