"Sinead O'Connor" on Saturday Night Live "SNL" Show
The nature of the protest is women's rights in particular that women should hold positions as Priests in the church. Is she related to Cardinal O'Connor of New York is that why NBC didn't cut the sequence. see The Cardinal
About Sinead http://www.engr.ukans.edu/~jrussell/music/sinead/sinead.html#main