Should U.S start sanctions on Russia for actions in Syria ?

The US already has sanction on the Russian economy as well as other European nations...The EU sanctions announced on 12 September targeted Russia's state finances, energy and arms sectors. These are sectors managed by the powerful elite around President Vladimir Putin....Russian state banks are now excluded from raising long-term loans in the EU, exports of dual-use equipment for military use in Russia are banned, future EU-Russia arms deals are banned and the EU will not export a wide range of oil industry technology...Three major state oil firms are targeted: Rosneft, Transneft and Gazprom Neft, the oil unit of gas giant Gazprom.

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as Ray posted, putin's pitching his syrian adventure to the West as an anti- terrorist move.

then he pitches it to iran as him saving iran's puppet assad.

then he pitches it to assad as "russia w/ partner w/ you in creating a partition of syria for your alawite clan, and you'l grant russia a long-term lease for a naval base @ Med Sea seaport."

of course, w/ assad rapidly losing power in the syrian civil war, russia would dominate that partition and have a state in the mid east.

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so that stymies any more sanctions vs Putin for while.

Yes, Obama should order one less case of Vodka for the White House and he may, that will teach Putin a valuable lesson.

If Obama gets Russia to attack ISIS, then Russia would be our ally.

I don't know. Obama will let us know when the time comes.