"... but there’s nothing like putting it in the mouths of politicians to speed up that process."
What's the point of a catchphrase? You want it to catch on and then you want to control it? Speech doesn't work like that. Words have a life of their own. Phrases are born, have their narrative arcs, and sometimes they die — that is, they come to be regarded as clichés, and then no one wants to use them anymore.
The dispute at the link is over the Mitt Romney's use of “Clear eyes, full hearts, can’t lose" from the TV show “Friday Night Lights.”
Hey, remember when Walter Mondale appropriated "Where's the beef?" from the Wendy's commercial? Where was the outrage?