Ensemble Theatre, Sydney, March 20 “I’M so fucking happy,” screams Theresa McTerry, bride-to-be, slamming down the bubbles. It won’t be the first time she says that. Protesting a little too much, perhaps? Theresa’s monologue is the fourth of six that make up Bombshells, Joanna Murray Smith’s cunningly named piece about women in a state of…