The stakes are high for Spanish Prime Minister Mariano Rajoy, as his home region of Galicia holds a municipal election. The region is normally a stronghold for his PP party. But Sunday’s vote is being seen as a referendum on the PM’s bank bailout, spending cuts and tax hikes, as well as the seeming inevitability of a second eurozone rescue package. Analysts say Rajoy is hoping to hold off an aid request until after the election as i…