‘Because you suck.’

– At least, that was my immediate answer to this:

“Why do the conservatives always get the conservatives, but we don’t get to get the liberals?” Senator Tom Harkin, Democrat of Iowa, asked the Web site Politico recently, voicing the frustration of the left when Ms. Kagan was considered a front-runner but was not yet Mr. Obama’s selection. “What the hell is that all about?”

Legal Insurrection has a superficially different response.