Christ the only mediator?

Concerning the subject of Mary and the saints, how do we respond to fundamentalist when they say Christ is the only mediator?

Thank you in advance.

I recommend you read the following articles:

Praying to the Saints:
catholic.com/library/Praying_to_the_Saints.asp

The Intercession of the Saints (Fathers):
catholic.com/library/Intercession_of_the_Saints.asp

Saint Worship?
catholic.com/library/Saint_Worship.asp

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