in the world to do so. china s military launches fresh drills off taiwan in response to a visit to the island by a new group of american politicians. the uk becomes the first country to approve a covid vaccine that fights both the original strain and the omicron variant. and check mate, with a difference how this underwater version of chess is helping competitors stay cool in the hot weather. hello and welcome to the programme. us officials have warned of an increase in violent threats to law enforcement following the search of donald trump s florida estate, mar a lago. the fbi and department of homeland security issued a memo to law enforcement around the country. in a separate development, prosecutors in the us state of georgia have told rudy giuliani he s a target of their criminal investigation into attempts to overturn the result of the last presidential election. as donald trump s lawyer, mr giuliani helped lead legal challenges to the outcome of the vote. he s repe
that followed us house speaker nancy pelosi s controversial visit to taipei. the escalating tensions have led many to wonder about the potential outcomes of a full scale invasion of taiwan from china. the centre for strategic and international studies think tank in washington has been mapping out some simulations. their senior advisor joins us now live from arlington, virginia. how do you conduct a model like this? building computer programmes and tables to analyse and give combat results so we are not relying on people going into the back room and using the judgment. we have developed working with maps and classifieds fear and we are encouraging discussion and the broader community and also a teen already. look at the scenario flavour varieties and
the troops that went into ramadi were elite forces. the iraqis have to have that same degree of training and a far greater number of elite troops, specially units that really need to play in mosul in order for them to be succesful there. so that is going to be key. it is going to be a factor of morale and it is going to be a factor that involves the make up of units that are well led and led in a way that achieves combat results. and that is going to be i think the key difference poppy. thank you so much. appreciate the expertise. coming up next we re going to tell you all about those nasty winter storms that millions of you are going through right now. wasn t it just last week that we were basiking in the warm weather? what happened?