Who is Teresa Giudice’s nephew and why did a question about him prompting Giudice to turn into a screaming, swearing, confrontational mess during last night’s “Real Housewives of New Jersey” reunion special?That’s what everyone is wondering this morning after a comment by Danielle Staub prompted Giudice’s shocking tantrum. Of course since no one can say for sure, the web is full of really over-the-top speculation. Here’s what happened and what people are saying.