As confirmed by the 2010 Census, Hispanics have become the largest and most dynamic ethnic minority in the United States. While still facing many difficulties, this rather diverse group is undergoing important changes in terms of political representation, economic situation and cultural recognition. It should play a growing role on the national scene in coming years.

Opposing environment protection policies has become a posture de rigueur for U.S. radical conservatives, especially in view of the 2012 campaign. This theme finds itself at the crossroads of several currents of American conservatism: a distrust of scientific elites, trust in the Manifest Destiny of the country, the defense of U.S. states and citizens against Washington and of the country as a whole against the rest of the World.

California enjoys a strong economy, backed by a strong immigration. Traditionally, this strength was reinforced by consistent investments from Sacramento, allowing for infrastructure development and education policies. In past decades, however, the idea that the state should do less has taken hold. Reforms have brought about a constant tightening of the state budget and public services. The less affluent citizens are left aside and the "social contract" of the Golden state is imperiled.

Larry J. Sabato, Professor of Politics at the University of Virginia, provides us with solid historical references and tools of analysis to understand midterms in general and those of 2010 in particular.

He points to the damaging effect of Tea Party candidacies on the Republican victory in the Senate, and on the impact of Republican gains on the 2011 redistricting process. But the bad economy seems to have been the key issue for 2010 voters - it may be key as well in the 2012 presidential election.