"No harrasment for breast feeders" joke

Hearing on the radio news this morning that Florida intends to
amend its indecent exposure law to allow mothers to breast feed
their babies in public, I was reminded of the following joke.
In times past in Ireland, hookers used to identify themselves by
walking the streets with one breast exposed. Usually fairly late
at night. However one morning, a woman gets off a bus and proceeds
to walk down the street with one breast uncovered.
She's only walked a short distance when a man yells at her:
"*WOMAN* - MAKE YOURSELF DECENT!"
She gets a rather bemused look, and then realisation slowly hits
her: "Holy Mary - I must have left the baby on the bus!"