a marijuana leaf is pictured at a plantation destroyed by soldiers in amata on the outskirts of culiacan in mexicos northwestern state of sinaloa november 30 2010 by killing or capturing at least seven top drug cartel leaders in the past year the mexican government is sending a message kingpins beware but without confronting deeper problems of corruption money laundering weak police and courts and overcrowded prisons taking down capos will have little effect on the lucrative drug trade instead risking more of the violence that is scaring off some investors security experts say 2cymjgy.jpg from argantina amatör View Photo