OTTAWA-CP- Hundreds of First Nations chiefs are gathering in Ottawa for three days this week to discuss economic reconciliation, reforming the First Nations child welfare system, the policing system and the carbon price at an Assembly of First Nations’ special chiefs assembly. The gathering comes after a testy October assembly that saw chiefs vote down a $47.8-billion child welfare reform deal with Canada after decades of legal fights that found the federal government discriminated against First Nations children. It also comes as chiefs grow increasingly worried about a change in government, with a federal election looming and a gridlocked Parliament that means key pieces of legislation for First Nations people are not moving forward. The assembly’s gatherings are often attended by federal politicians, including Prime Minister Justin Trudeau, whose address…