It’s important to remember that the reason patents and copyright are included in the Constitution is to “To promote the Progress of Science and useful Arts.” Keep that in mind when you read the following two blog posts. One, from Alex Tabarrok, looks at why DVDs of “WKRP in Cincinnati” can’t be released with the original music. The other, by Matthew Yglesias, looks at why Google would bid $900 million for Nortel’s patent portfolio.