Witch's Broom on Laburnum

[Dom]

I have a Laburnum growing in the front garden, and one of it's limbs is different to all the others, it seems to be some kind of witch's broom, it's got a weeping habit, and is quite tangled and contorted. It also holds onto its leaves and flowers for a lot longer than the rest of the tree.

 

Would I be able to take cuttings from this? When's the best time to do it? Anyone done it before? And... if I succeed in creating an awesome new weeping low growing winter flowering laburnum, can I put my name to it and sell it for millions?

 

I'll try and remember to take a picture tomorrow.