Republican primary debate highlights risks for future Ukraine aid

For President Joe Biden, strong backing for Ukraine’s effort to repel Russia’s invasion has been a rare issue where he’s mustered bipartisan support.

But this week’s first GOP presidential debate — and recent comments on Ukraine by the 2024 GOP polling leader and former president, Donald Trump — show that unusual unity will face a stress test as the 2024 presidential campaign intensifies and the leading Republican contenders show antipathy toward the American backing of…