By Gregorio Bettiza

For better or worse, the Tea Party has come to dominate America’s 2010 midterm electoral season. Its energy has propelled the GOP towards the largest number of House pickups since 1948. Yet unconvincing Tea Party backed candidates, particularly in Nevada and Delaware, allowed the Democrats to hold on to the Senate. This paradoxical combination of electoral vivacity and vulnerability reflects the ambiguous nature of the Tea Party phenomenon itself…