Thanks everyone. I believe he is ready. He is our second child and at 4.5yo I am far more comfortable sending him than I was with my dd who was 6months older than he was when she started kindy.
He has been pretty much full time daycare for 2 years and his chikdcare teacher assured me he was ready and mature for his age.
I guess the 60 minutes story and talking to other parents has made me second guess myself. I will see how he goes.