The Project for Excellence in Journalism keeps lowering its bar to accommodate a monotonically decreasing "low-water mark".
Wow! arithematic, not logarithmic decay, still!
(Losing viewers at a consistent arithmatic rate, say 1.5 million viewers per year, means losing a greater and greater proportion of viewers as the total number of viewers continues to shrink; at this rate, in 16 years, network news will cease to exist.)