Dissent cannot take hold in soil rendered barren by emigration and embargo. Political opposition needs academic and cultural exchange if it is to prosper Dissent cannot take hold in soil rendered barren by emigration and embargo. Political opposition needs academic and cultural exchange if it is to prosper T he chancellor of the exchequer and the IMF agree . Britain’s economy is about to take its greatest hit for decades. This is collateral damage from the US’s war on Iran and the closing of