(AP Photo/Dmitri Lovetsky, File) In a Jan. 23 photo, a man holds a poster with a portrait Alexei Navalny and reads: 'One for all and all for one', during a protest rally against the jailing of opposition leader Alexei Navalny in St. Petersburg, Russia. Allies of Navalny are calling for new protests next weekend to demand his release, following a wave of demonstrations across the country that brought out tens of thousands in a defiant challenge to President Vladimir Putin.