Since Spain became a democracy in 1978, governments of all stripes have gotten themselves mired in high-level corruption scandals. But this year has been a doozy, with Spain’s two main political parties caught up in kick-back schemes to the tune of tens of millions of dollars, involving current and former cabinet ministers. The scandals are shaking voters’ faith in mainstream politics and fueling support for extremist parties. The World’s Gerry Hadden reports from Barcelona.