Europe is pushing hard toward a confrontation with Russia, and the worry is that one incident — real or staged — could drag the US in.

• European leaders are talking openly about war with Russia and telling citizens to be ready to fight and die.
• A Russian military helicopter crossed briefly into Polish airspace, and Poland scrambled jets; it may have been nothing more than a pilot drifting off course.
• The deeper reason is money: the EU economic model has failed, so rearming is how European elites keep their economies and their power going.
• Europe emptied its weapons stockpiles arming Ukraine, so it needs America locked in — a strike launched from NATO soil could trigger Article 5 and force that.
• Washington is quietly pulling back from Europe because the Middle East is eating its resources, and the new US base in Poland is seen as ego-stroking rather than strategy.
• Iran is refusing to back down, a tanker was hit near the Strait of Hormuz, and a large new US weapons package to Israel suggests another round of fighting is close.

Outlook: The next few weeks are the danger window — an incident on NATO's eastern flank or a fresh Israeli strike on Iran could reset the whole picture fast.