Opposed to--the union organization doesn't support the shipping of US jobs overseas or the unfair treatment of workers in Central America.
CAFTA is the Central America Free Trade Agreement and like the other free trade agreements the US has created unions are concerned with the loss of good American jobs to countries which exploit workers. The countries included with CAFTA have been exploiting their workers using long hours, poor conditions, and low wages to create products more cheaply.
This is of course a very subjective question, but most would argue that it is rather reasonable for the EU to have been slow to meet its energy goals, since it is dealing with a large number of separate countries with different emissions patterns.
Member of the Sons of Liberty, Benedict Arnold rose to the rank of general in the Continental Army during the Revolutionary War. Frustrated by the lack of recognition, he subsequently switched sides to the British and plotted the surrender of West Point.