By Dave Sherwood and Alexandre Meneghini HAVANA (Reuters) -Crews restored power to more neighborhoods across Havana on Saturday after a second night of protests over ongoing blackouts in Cuba’s capital, including some of the largest demonstrations since widespread anti-government rallies in July 2021. At least one of the protests in the western seaside borough of Playa swelled in size to several hundred people who chanted “turn on the lights,” as well as slogans disparaging President Miguel Diaz-Canel. At one point, the group began to chant for freedom, or “libertad,” in Spanish, as protesters…