The thretened tariffs arent on Russia, since as you point out there is little trade between USA and Russia it would be innefective in swaying the kremlin. These tariffs are instead being put on countries that trade with Russia like China, India, Brazil etc, with the hope that those countries will put pressure on Russia by proxy.

Not every conflict has a good guy, there are no good guys, the Khamenei regime is evil and so is the leadership of Isreal. Just because the latter attacked the former does not make them innocent, let the bastards burn and pity the civilian.

If you can’t or won’t let your cat outside then don’t get a cat. A zoo keeping a cat, big or small, inside with no access to outdoors would rightly be charged with animal cruelty.