Alexei Navalny, Russia's most prominent opposition figure, who has been detained by police and charged with unlawfully organizing a public gathering, sits in a court room as his lawyer Olga Mikhailova, left, reads documents in Moscow, Russia, Wednesday, July 24, 2019. Navalny has called for demonstrators to protest on Saturday outside the mayor's office against the rejection of several opposition candidates from the ballot for this fall's Moscow city council elections. (AP Photo/Dmitry Serebryakov)