How do we know that Jesus gave his apostles the authority to transubstantiate the wine and bread into the blood and body of Christ. I know he said "do this in memory of me" at the last supper, but how do we know this actually translates to giving priestly authority to perform such a great miracle?, When praying to the saints and Mary, shouldn't those prayers always be "Pray for us..." or "Intercede for me about..." because God is the one with power? , Why should we all want to be Catholic?, and more on today's Called to Communion with Dr. David Anders!