According to Protect Marriage General Counsel Andy Pugno:

We just got great news from the US Supreme Court: they granted a stay to prevent televising the Prop 8 trial!  We have argued from the start that there is no precedent for Judge Walker’s decision to allow the proceedings to be televised and posted on YouTube, that it impedes a fair and impartial trial and that it subjects Prop 8 supporters – by way of having their images streamed worldwide – to harassment for their views.  We are gratified by the high court’s decision.