Secretary of State Hillary Clinton said on NBC’s “Meet the Press” on Sunday that Iran will never achieve its goal of obtaining a nuclear weapon, declaring to Tehran: "Your pursuit is futile."

"What we want to do is to send a message to whoever is making these decisions, that if you're pursuing nuclear weapons for the purpose of intimidating, of projecting your power, we're not going to let that happen," Clinton said.

"First, we're going to do everything we can to prevent you from ever getting a nuclear weapon. But your pursuit is futile, because we will never let Iran — nuclear-armed, not nuclear-armed — it is something that we view with great concern, and that's why we're doing everything we can to prevent that from ever happening. … We believe, as a matter of policy, it is unacceptable for Iran to have nuclear weapons."

Hillary Clinton: Iran’s pursuit of nukes ‘futile’ – Mike Allen and Daniel Libit –

In the last four or five days we’ve seen a renewed Hillary Clinton, giving major policy speeches that appear on the surface to steer a much more Bush (or Clinton) foreign policy path than the equivocating, sniveling foreign policy of her boss.

I think this is a sign that Hillary is attempting to assert herself as her own woman and is the first indication that she is breaking with her boss. Since this is a Clinton we are talking about, you can bet the new tone is a direct result of their analysis of Obama’s dropping poll results and rising concern in the country over the foreign policy decisions Obama has been making.

If Obama appears to be weakening, look for Hillary to jump ship and challenge Obama from the right for the 2012 nomination.

I have to say it looks very much like the wheels are starting to come off of Barack Obama’s little red tricycle.