Filed under: CellphonesThe increasingly high cost of text messaging has already caused a bit of a stir in Canada, and it looks like Democratic Senator Herb Kohl of Wisconsin is concerned with the situation in the US as well, with him now opening an inquiry to attempt to get the carriers to explain themselves. Apparently, Kohl is a bit puzzled as to why some customers are now paying 20 cents per message when they paid just 10 cents in 2005, a period that Kohl notes just happens to overlap with some consolidation in the wireless industry, when the number of national carriers shrunk
