By Nishan Khatiwada in The Kathmandu Post, March 30,2023The writer is a reporter covering national politics for The Kathmandu Post.The by-election in Bara-2 is just round the corner. A key Madhesh-based leader and chair of the Janata Samajbadi Party, Upendra Yadav, is eager to throw his hat in the ring, while the Janamat Party welcomed Maoist Centre’s Shiv Chandra Kushwaha to its fold on Wednesday to pit him against Yadav. The contest in Bara-2 is…