Congressional Republicans are countering President Trump's meddling in their primaries with a revenge tour of their own. Why it matters: Politically, Trump had a successful week, picking winners and settling scores. Legislatively, it's turning into a disaster. 💣 He's on the edge of an Iran war rebuke: House Democrats are one step closer to finally getting a successful Iran war powers vote as their last holdout plans to flip and at least one Republican says they may follow suit. 💰 His "anti-weaponization" fund is taking heat: Republicans in both chambers put him on notice that the nearly $1.8 billion carveout will be subject to legislative scrutiny. 🕺 And the ballroom money is out (for now), but there's still an open question about whether any of the other funding for the Secret Service will survive. 🛑 Zoom in: The anti-weaponization fund is "kryptonite" for Republicans, and they are exploring ways to restrict — or regulate — it, according to one GOP senator.…