BARCELONA, Spain — Supporters of Spain’s surging anti-austerity party, Podemos, have seized on a slogan that is sweeping the country: “Tick tock, tick tock, tick tock.”Podemos leader Pablo Iglesias, a ponytailed former political scientist, first used the slogan last month after the stunning victory of Greece’s Syriza party, which rode to power on a wave of popular anger against harsh austerity programs imposed as the price of an EU bailout.
