Why is it that Liberal commentators do Republican debates; and have mostly goofy questions for the Republicans to respond too?

Why is it that most questions are guided to whom they want to answer them and limited time given to others?

Why is it that Liberal commentators do Democratic debates; and have mostly easy questions for the Democrats to respond too?

Why is it that Conservative commentators such as Rush Limbaugh cannot be a moderator on a Democratic debate?

If you do not believe that the media is skewing this election ... wow, you have got some major problems and will probably need to be medicated