Today Samsung is posting a Facebook invitation for their CTIA Orlando showing, hinting at a new tablet the company plans to unveil.  The device will be the third addition to Samsung’s Galaxy Tab lineup. The new tablet is expected to sport an 8.9-inch display, positioning it between the 7-inch Galaxy Tab and the 10-inch Galaxy Tab 10.1. The device may be named “Galaxy Tab 8.9,” though the moniker has not yet been confirmed. Samsung will be holding a press conference at CTIA on March 22nd where this new tablet and several other devices are expected to be unveiled. More news to come with this story….