NATO, Moscow up the ante in missile defense row;

Who's in charge of United Russia?

Hizb ut-Tahrir rising in Tatarstan;

New law raises the cost of protest

Caucasus Emirate sets its sights on Sochi;

Putin takes a more distant approach to the U.S.

More friction over missile defenses in Europe;

A more independent role for the Russian Duma?

Kremlin targets social vices with new taxes;

USTR takes aim at Russian intellectual property threat