Navalny Protest Wrap - Hundreds of people remained behind bars in Russia Sunday, a day after they were arrested for joining nationwide street protests demanding the release of jailed opposition leader Alexey Navalny. The opposition figure was detained a week ago upon his return to Russia from Germany, where he spent the last several months, recovering from a nearly fatal poisoning attack he blames on the Russian government...and that the Kremlin denies. From Moscow, Charles Maynes reports