Alexander Kazakov, Sputnik, Kremlin Pool Photo via AP
- Western sanctions against Russia haven't significantly hindered its wartime economy.
- Analysts say the "porous" nature of sanctions has allowed Russia to sidestep restrictions.
- Sources say additional sanctions could pick better targets to put the squeeze on Russia.
Western nations' attempts at ending Russia's invasion of Ukraine via economic sanctions are hitting a snag, and the measures seem not as large a hit to Vladimir Putin as expected.