In should be the duty of every soldier to reflect on the experiences of the past, in the endeavor to discover improvements, in his particular sphere of action, which are practicable in the immediate future.
Royalties are not how most writers or musicians make their living. Musicians by and large make a living with a relationship with an audience that is economically harnessed through performance and ticket sales.
It's not merely that conservatives are better at selling their product, or that they happen to have an easier-and undoubtedly simpler-ideological product to sell. It's that they know what they are selling. Liberals in general and Obama in particular cannot say the same.

