While some countries have "weapons of mass destruction", the US government is the only one who has ever dropped a nuclear bomb, and the only one who used the horrendous chemical weapon "Agent Orange." Even after 50+ years, the innocent people in Vietnam are still suffering tremendously from such chemical attack:
Please show this video to everyone you know who is serving in the US military, and ask them to start thinking objectively and critically, instead of following whatever orders given to them by the US government!
No, Russia is not the bad guy right now, and along with President Assad, they are simply trying to defend Syria against foreign invasion. There's absolutely no need to start World War 3.
Hell yes. Putin has his own shares of bad things, like every autocratic ruler (and Erdogan is currently trying hard to get in front of Putin for that), but self-interest driven "interventions" and politics and propaganda of the US are the biggest threat to peace there is on earth.