TBT DESK:Once trusted by millions, five private banks in Bangladesh have now become a source of fear and frustration for their customers. EXIM Bank, Social Islami Bank, Union Bank, Global Islami Bank and First Security Islami Bank are struggling so severely that they can barely return depositors’ money — in many cases, not even their own staff salaries. Across Dhaka’s Motijheel and Naya Paltan, as well as in districts such as Satkhira, branches of these banks present a silent, uneasy picture. Inside, employees sit helplessly, while outside, customers line up in hope. Each day, 20 to 30 people arrive desperate to withdraw funds, but few walk away with more than a fraction of what they need. One officer at Global...