Changes

'''Liberal bias''' is partisan support for [[liberal]] positions or policies. This bias pervades encyclopedias, periodicals and [[broadcast media]], and the Internet. It is expressed by reporters and other journalists in mainstream media and by teachers in [[public school]] and in many private schools.  It includes techniques such as [[placement bias]], [[photo bias]] and [[liberal style]].   

'''Liberal bias''' is partisan support for [[liberal]] positions or policies. This bias pervades encyclopedias, periodicals and [[broadcast media]], and the Internet. It is expressed by reporters and other journalists in mainstream media and by teachers in [[public school]] and in many private schools.  It includes techniques such as [[placement bias]], [[photo bias]] and [[liberal style]].   

In the absence of clear rules to prevent the bias, it will inevitably occur due to:

In the absence of clear rules to prevent the bias, it will often occur due to:

*political correctness

*political correctness

*a tendency to exaggerate and deceive to attract attention

*a tendency to exaggerate and deceive to attract attention