Cuba blamed historic protests that took place over the weekend on U.S. “economic asphyxiation” and social media campaigns by a minority of U.S.-financed counter-revolutionaries, while U.S. President Joe Biden said he stood with the Cuban people. The streets of Havana were quiet on Monday, although there was a heavy police presence. Outages in mobile internet – the only way many Cubans have of accessing the web – were frequent. Chanting “freedom” and calling for President Miguel Diaz-Canel to step down, thousands of Cubans joined street protests here from Havana to Santiago on Sunday in the biggest anti-government demonstrations on the Communist-run island in decades. At least 80 protesters, activists, and independent journalists had been detained nationwide since Sunday, according to exile...