Discussions surrounding the war involving Russia can be sensitive and complex, often evoking a range of emotions and opinions. It's important to approach this topic with sensitivity and respect for those who may be directly affected by the conflict. One way to introduce the topic in a considerate manner could be by acknowledging the gravity of the situation and expressing concern for the well-being of those involved.

For instance:

"I know that discussing the ongoing conflict involving Russia can be difficult, but I believe it's crucial to stay informed and engaged with what's happening in the world. The situation is deeply concerning, and my heart goes out to all those affected by the conflict. I think it's important for us to discuss and understand the complexities of the situation, as well as consider how we can support those who are impacted by it. Does anyone have any insights or perspectives they'd like to share on this topic?"

This approach acknowledges the seriousness of the situation while also inviting others to share their thoughts in a respectful and open-minded manner.