By Guy Taylor Train drivers have announced a series of fresh strikes and an overtime ban at the end of the month, in a blow to recent progress in the national dispute. Members of the ASLEF Union will walk out in late January and early February as part of a programme of “rolling action.” A combination of strikes and a ban on overtime working will run on seperate days, beginning on Monday 29 January and running through to Tuesday 6 February. Commuters can expect the most disruption on Monday 29 January, while Friday 2 and Saturday 3 February will have two major train operators on the East Coast …