Description:A new 'battleground' in Mali -- this one along civilian frontlines. On Monday, the French army met with local Mali leaders in the city of Gao to ask for their help in chasing out Islamist rebels thought to be hiding in people's homes. France intervened in this former West African colony last month to oust Islamist fighters who had seized half the country. French army Colonel Aldo says civilians here seem comfortable talking to his troops.(1:15)