It's not grammatically wrong, but it is stylistically wrong and inappropriate when one is a public speaker or a commentator.
It's ok to use it in a casual conversation, but even then it's not "elegant"... That’s how uneducated old babushkas talk to each other in a hall-way…….. “Well, you know, all I want to say really, is that my son in law, you know him, does not earn a very high salary, oh gosh, and my daughter, you know she is such a beauty, has to spend, you know all that time at work naturally to take second shifts, you know how its, to make more money really, as I was saying…..”