Human Rights Act

If reports are true - why does David Cameron our current P.M - and others - want to abolish the Human Rights Act?

Articles
Prohibition of torture
Prohibition of slavery and forced labour
Right to liberty and security
Right to a fair trial
No punishment without law
Right to respect for private and family life
Freedom of thought, conscience and religion
Freedom of expression
Freedom of assembly and association
Right to marry
Prohibition of discrimination
Restrictions on political activity of aliens
Prohibition of abuse of rights
Limitation on use of restrictions on rights
Protection of property
Right to education
Right to free elections