In terms of agriculture, the estate tax is one of the bigger concerns in the potpourri of issues that make up the impending fiscal cliff. If left unaddressed, the estate tax will revert to pre-2001 levels.The estate tax was modified in 2001 through the Economic Growth and Taxpayer Relief Reconciliation Act, which reduced federal estate and gift tax rates. The legislation substantially increased the amount of property that can be transferred to the next generation free of the federal estate tax, culminating in the tax's complete repeal in 2010 (persons dying in 2010 would have owed no estate tax under the 2001 Act). However, the Tax Relief, Unemployment Insurance Reauthorization and Job Creation Act of 2010, one of the high-profile tax e...