By Kirsten PowersNew York Post Columnist/FOX News Analyst

Why is the Obama administration defending the "don't ask, don't tell" policy on gays in the military? This doesn't just break his past promises -- it conflicts with his oath to keep the nation safe.

Gay-rights activists had been grumbling for months over the president's apparent lack of interest in their agenda. Then, on Monday, the public learned that Solicitor General Elena Kagan had filed a brief with the Supreme Court arguing in favor of "don't ask, don't tell" -- writing that it is "rationally related to the government's legitimate interest in military discipline and cohesion."

That's nonsense, at least according to what Obama himself said during the campaign.

To read Ms. Powers' complete column, click here.