From the The Chicago Sun-Times and Crain's Chicago Business News

Chicago congressman Dan Lipinski is backing U.S. Sen. Barack Obama's presidential bid.

Lipinski had been one of the two remaining holdouts among Democratic superdelegates in Illinois' congressional delegation. He says he's endorsed Obama because of the candidate's emphasis on overcoming partisanship and uniting the country.

It may not be entirely unexpected; it's also not yet included in Politico's Superdelegate Count either.

Senator Clinton's only chance to woo the remaining superdelegates, and thus secure the Democratic nomination by trumping Obama's insurmountable delegate lead, is via a perceived (and improbable) "popular vote win".  So, let's put an end to the popular vote myth right now.

Many media sources, arguably for selfish reasons, remain in lockstep with the Cinton campaign, continuing to perpetuate the claim that a lead in the so-called popular is just as important, or even more important, than a lead in the delegate count.  However, it's essentially a meaningless statistic in the nomination for the Democratic candidate, and thus the popular vote should be ignored by the superdelegates, because adding caucus results to primary results is like adding apples and oranges.

Here's why...  After the break: Not an apples-to-apples Comparison...