you mag 1265

[bernied]

20d persistent, irrational fear (6) --O-I- ?
13a what jackie mason was before becoming a comedian (5) ----I ?
Thank you

[Zhukov]

Phobia
Rabbi

[alexanderd]

20 phobia

[ladyalex]

20d Phobia
13a Rabbi

[denisepoat]

17 Across Many people have a phobia of this

[Lie-in King]

17a Heights (clue reads "...of these")

Hi denise - it's always nice to include the number of letters & any you've placed, so that people without the puzzle can more readily help you.

Another tip would be to begin your own thread, as it's more likely to be seen on the front page :-))

[Zhukov]

Heights?