Tanzania Daily News: FOR Joanita Kilimba of Langoni village of Pangani District, the day starts at 2.00 am. That is the time when she must wake up, walk about 100 metres to a small shallow well and fetch water that the family will use for the rest of the day. However, sometimes she oversleeps and wakes up at 3.00 am or 4.00 am. Then the cost of sleeping would be reflected by the family's failure to wash in the morning or miss their lunch because there would be no water. "We have a big shortage of water here especially...