By ARITZ PARRA MADRID (AP) — The Spanish capital of Madrid was still trying to get back on its feet Monday after a 50-year record snowfall that paralyzed large parts of central Spain and hampered the delivery of coronavirus vaccines. The blizzard dumped over 50 centimeters (20 inches) of snow in some areas and a cold front was turning mounds of fluffy white into sheets of ice and crusted drifts. At