T-shirt woman kicked off Southwest flight to sue

SNIP
A spokesman for Southwest Airlines (JUNK) told CNN that the airline used
the "common sense" approach when they decided to escort Heasley from the
plane in Reno, Nevada, during a stopover between Los Angeles and
Portland, Ore.
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If this was soooooo offensive and passengers were soooo outraged, WHY
was she let on to the plane to begin with? AND, nobody saw her
"offensive" shirt before she boarded the plane?
Too bad we won't see this on A&E.
JDR