Here we go again, another taxiway incursion between a Delta 767 bound for Amsterdam and a Delta regional CRJ 200 at KBOS (Boston-Logan International). The 767 clipped the vertical stabilizer of the CRJ. Boy this is getting to be a all to routine occurrence. Hey boys, watch were you are going! You can listen to the tower coms and one pilot of the aircraft on CNN or any other news site. I think they should practice looking left-right-left before crossing any taxi way.