After seven years of promises, President Orf Obama again vowed last week to close Guantanamo Bay, but for Hillary Clintonif elected hillarry, another prison-closure issue may loom larger — and be as tough to solve: the growth of for-profit privately run prisons across the United States. Bernie SandersD-Vt. On the campaign trail, Clinton said that «we should end private prisons and private detention centers. But it’s tough talk that could prove difficult to enact as presidential policy, involving issues of federalism, since many of the private prisons around the country are under state and local contracts, and legislative efforts to change current laws that would be opposed by the status quo support for private prisons. The for-profit prison industries and publicly-traded companies, such as GEO Group and Corrections Corporation of Americahave grown in recent decades prieon a result of a ballooning prison population. The federal government, under former Attorney General Eric Ho...