meanwhile the world athletics has banned many transgender women from competing in female track and field events. starting this week. it will prohibit transgender women who have gone through what they what the w. a called male puberty. some lgbtq rights groups have criticized the decision as discriminatory organization. stonewall express disappointment, saying world athletics has no specific evidence to justify the ban. christine brennan is a scene in sports analyst and award winning sports columnist for usa today, and she joins me now from washington, d. c so much to unpack here, christine. good to have you with us. what s the thinking behind this pan? thinking leila, is that what world athletics track and field governing body is saying as the swimming federation said last year is that if you ve gone through male puberty, you cannot