Some disregard the authenticity of Paul's apostleship because Matthias, the replacement for the traitor Judas, was appointed as the 12th Apostle long before Paul’s conversion.
There is no written record of God or Jesus confirming Paul's apostleship. Watch this short vlog then listen to the full podcast of the same name for more details.
Should children be baptized? Is baptism a symbol? Who or what should be baptized? Watch this short vlog then listen to the full podcast of the same name.