is reportedly armoring up with new legalategy against special counsel bob mueller. the daily beast reports the president s lawyers are now teaming up with the attorneys w whose clients are caught up in the russian probe. msnbc legal analyst joins me now. that they re signing a joint defense agreementh fol that mueller may be targeting or looking into. how does that work? why is that legal? it s a clever strategy. here s why. a joint defense agreement allow s with a common interest.