PROTESTING PUTIN IN ST. PETERSBURG: “An unusually large and unruly protest against the government of President Vladimir V. Putin ended here Saturday in clashes with the police and the arrest of opposition leaders. Rally organizers and the police said more than 100 people were arrested after a midafternoon scuffle between marchers and riot police on the main street, Nevsky Prospekt, in the heart of the city’s tourist district. St. Petersburg, Russia’s second-largest city, is Mr. Putin’s hometown.”