Charges of extortion, laid against the editor of Sheershanews.com, a Bangladeshi news portal, is nothing new in Bangladesh - especially when the rich and powerful need to teach some lesson to somebody who is annoying or causing problem for them. It's an overused tool of harassment. Perhaps, some of them of forgotten that in 2008, the current Prime Minister Sheikh Hasina was also arrested on charges of extortion. At least, three extortion cases were lodged against her - and one of the accusers was a member of her party who also sought nominations from her Awami League in the following elections. Similar extortion cases were also lodged against two sons of former Prime Minister, Khaleda Zia and several other leading politicians. All those extortion cases against leading politicians filed by some millionaires during the army-backed caretaker government were either withdrawn well before the general election in 2008 or quashed by the High Court later. And, surpris...