Analysts see the lawmakers' trip and Obama's campaign rhetoric as a way for the new administration to start thawing relations with Cuba before the Fifth Summit of the Americas.
CNN: Analysis: United States-Cuba relations begin the long thaw
While relations between the two are at a new low, Washington insists the president's rhetoric will not affect Isaf's plans in Afghanistan, our correspondent says.
BBC: Karzai speech 'put Nato forces at risk', commander warns
For all its New Labour rhetoric, the Blair government has also taken active measures to discourage private insurance.
The president of the new team, Romano Prodi, has yet to come up with the vision or rhetoric that might rehabilitate European integration in the eyes of governments or voters.
In this crisis, for Obama to now just advocate more of the same, with only new, warmed over rhetoric, is a complete abdication of leadership.
They fail, first, because the grandeur of the occasion inspires new presidents and their teams to overblown rhetoric, even as their political advisers steer them away from too specific commitments.
His speech may be judged on whether he offers anything more than reheated rhetoric to jolt the becalmed peace process into new life.
Is America entering a new era in which ideaological oppononets rise above the rhetoric and sit down at the negotiating table to hammer out their differences in lieu of pointed media and political attacks?
Because so much of the best of New Labour, or at least of its rhetoric, can be traced back to Ken Livingstone's GLC - perhaps by no accident, as I would have bumped into at least two of Blair's top advisers roaming the corridors of County Hall: Geoff Mulgan and David Miliband.
But Christopher Nelson, an Asia expert and vice-president of Samuels International Associates, points out that while the new South Korean leader has responded with tough words to Pyongyang's rhetoric, she has also indicated that if the North Koreans are willing to resume North-South talks, denuclearisation would not have to be the state end goal.
Despite the week's rhetoric, there have been some welcome hints of a new realism about where Russia's real interests lie.
The squabbling and deal-making that are bound to follow will confirm the complaint of many Indonesians that their new parties offer few policies, only symbolism and rhetoric.
Although Mr Abe toned down his rhetoric later on, it did indicate how crucial the appointment of a new governor would be, not just to the relations between the government and the central bank, but also the BOJ's independence going forward.
Yet despite the rhetoric, true independence from local authorities has so far been illusory for those trying to establish new schools.
But despite the prime minister's rhetoric, the private sector has been largely confined to financing and then maintaining capital projects like new hospitals.
If Governor Andrew Cuomo still believes, as he did when he was elected, that the answer cannot be more and more taxes levied on New Yorkers, a good place to start backing his past rhetoric would be to reduce tax burdens for business owners.
Bill Gething, an advisor to the RIBA, says the government's new so-called sustainable communities are often traditional car-led developments that fail to meet the government's rhetoric.
His vision remained the dominant vision in American politics until Reagan told a nation weary of taxes, social programs and decaying legacies of the New Deal that seemed to lumber on without revision (with, to be fair, a twist of racially charged rhetoric about "welfare queens" and Cadillacs) that government is the problem, not the solution.
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