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The White House publicly welcomed Israeli Prime Minister Benjamin Netanyahu's speech yesterday giving qualified support to a two-state solution with the Palestinians. Nonetheless, there remains a gap between Mr. Netanyahu and the Obama administration over the expansion of settlements. Fortunately, there is a way to bridge that gap.

The issue of settlements highlights broad philosophical differences about how to approach Arab-Israeli peace. Neoconservatives such as Norman Podhoretz have favored a hands-off approach. In contrast, foreign-policy "realists," including Zbigniew Brzezinski and Brent Scowcroft, favor imposing a peace plan.