They were discussing this on Ricky Smiley's radio show this morning.
Apparently Tameka Foster is upset that Usher had his new girlfriend around their children without her knowledge or permission. I'm not a mother yet, but I don't see why she went off. I can understand her being a little touched if she still has feelings for him, but it seems as if she doesn't trust him to make sound decisions about who he has around their children. I can understand if she wants to meet the woman and be more comfortable with her since she will be a part of their life, but she handled it by snapping on Twitter.
Here's a link to an article about it...not as detailed as I what I heard on the radio though. What do you all think?