*"A united Western front against China is a strategic necessity—but deep mistrust among allies and President Trump’s approach could undermine those efforts.
Read more from columnist Greg Ip: [https://on.wsj.com/44xLI1H](https://on.wsj.com/44xLI1H)"*
**Key Changes:**
- Made the headline more concise and direct.
- Clarified the obstacle (Trump’s approach + allies' mistrust).
- Kept the link intact for further reading.
