And they're I think in a sense they're making quite a cogent argument where we are now.

BBC: Baroness Pauline Neville-Jones

Others surely felt that DSL and its technology were a waste, but I never did, nor have I ever heard a cogent argument that suggests this area will not remain a dominant form of broadband for decades to come.

FORBES: Written by John Cioffi

Yet, without a cogent economic argument for payors (and, increasingly, for regulators), drug developers are going to have an increasingly difficult time getting their products into the hands of their primary customers.

FORBES: Penic(illin) envy: is incremental progress systematically undervalued?

Republicans can win the argument by making a clear and cogent public articulation of the president's spending problem and how the American people, especially the lower and middle classes, will be the ones to suffer as a result.

CNN: Obama's spending problem