We've been focusing on the Dem Senate primary a lot today, but there is still a whole lot going on in the 12th District special election. Labor is going all-out for Democrat Mark Critz today, starting a get-out-the-vote bus tour of work sites by AFL-CIO leaders Bill George, Rick Bloomingdale and Frank Snyder, which will continue through Thursday.

Both sides are also up with new ads. Here's one from Critz, hitting the Dem's usual criticisms of Republican Tim Burns on jobs and social security:

The National Republican Congressional Committee follows their now-familiar model, too, of tying Critz to health care reform, Nancy Pelosi and cap-and-trade: