How should political leaders address sexism and inappropriate behavior towards women in rallies and public events?

RJD chief Lalu Yadav stirred controversy on Tuesday with a sexist remark directed at Bihar Chief Minister Nitish Kumar's Mahila Samwad Yatra, saying that they are going to "letch at women." 

This remark came as Nitish Kumar announced plans to launch the Mahila Samwad Yatra, a state initiative aimed at directly engaging with women.

How to Respond to Politicians Using Vulgar Language in Public Discourse?