Business internet customers. so boost your bottom line by switching today. comcast business. powering possibilities.™ good morning, welcome to our viewers in the united states and around the world. it is friday, may 6, i m laura jarrett. and i m christine romans. cnn has learned the u.s. military did play a role in the sinking of russia s flagship in the black sea last month. sources say ukrainian sources asked for confirmation that the warship was in fact the moskva. the u.s. responded that it was and also provided intel about the ship s location. scott mcclain is live for us in lviv. was the u.s. involved in