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...The men are serving long sentences for conspiracy to commit espionage, and the US authorities are refusing to grant their wives visas to enter the country. Another three men are also in jail, but their wives ARE allowed to visit the US. We're getting one of those women LIVE on the show later. Vicki explains more in her earlier blog post here. It raises lots of issues about the Cuban/US relationship, so let us know what you want to ask our guest.

Meantime, you may have heard Professor Chris Rapley on Monday's show. He's a passionate believer in man's influence on the climate, and is set to become the boss of the British Science Museum. He's got an uncompromising view on how to cut global warming. and eventually get rid of a few billion people - not by genocide - but by cutting the birthrate. By improving contraception and education, he's confident there will be fewer people on the planet and therefore less CO2 emissions. Martin from WHYS has already blogged about it here - so what do you think? You can put your questions and points to Chris Rapley, get in touch and we'll call you back.

Lots more to think about including...

President Robert Mugabe of Zimbabwe is opening a new session of parliament in Harare today. As he does so, the country's economic crisis is deepening. The annual rate of inflation is more than four and a half thousand percent, and many Zimbabweans are now dependent on the food and goods they can purchase in neighbouring South Africa. The Telegraph newspaper , showing shoppers queuing for the most basic of supplies. Is Zimbabwe at breaking point?

The eight Democrats trying to win their party's nomination for the 2008 presidential election have held a debate in which the questions were posed by . More than 2,000 short videos were submitted via the website. Only 30 were used, all chosen and edited by the debate sponsor, CNN. The questions were occasionally blunt - some were quirky - but none caused obvious discomfort for the candidates. As the questions were carefully selected as not to cause distress, was the object of the debate defeated? Should CNN have imposed an editorial eye? If WHYS conducted a similar debate, what would you have asked the candidates?

Interestingly in that debate, the two front runners - Hillary Clinton and Barack Obama clashed on the subject of talking to enemies of the US. Senator Obama said he would, while Senator Clinton was more cautious. It comes as for only the second time in 27 years. They're talking about the future of Iraq. Is in inevitable that - to run a successful government - countries should talk to their enemies? Your thoughts please.

Some worrying news from a conference in Australia where US President George W Bush's top adviser on HIV/Aids has said . New infections are continuing to outpace the global effort to treat and educate patients. How do we win this battle? And will the epidemic ever be stemmed?