MADRID (Reuters) - Support for Spain's governing People's Party (PP) has fallen to the lowest level in 20 years, as the government struggles with a corruption scandal and economic recession, according to El Mundo newspaper on Sunday. The center-right PP would take 33.5 percent of the vote in a parliamentary election, a Sigma Dos poll showed, 11 points less than the 44.6 percent in a November 2011 parliamentary election which handed Prime Minister Mariano Rajoy an absolute majority. ...