* The battle for the Democratic presidential nomination, between two of the world’s most famous lawyers, will go on — perhaps all the way to the convention. [New York Times; Washington Post]

* Could a Clinton-Obama ticket avoid the otherwise inevitable train wreck? [Politico]

* Meanwhile, John McCain sews it up on the Republican side. But conservatives vow to press forward with their court challenges to McCain-Feingold. [Washington Post]

* Time to bone up on your Delaware corporate law. More maneuvering is likely in the Yahoo-Microsoft takeover battle. [New York Times]

* The $54 million pants case inspires proposed legislation in Maryland that would require dry cleaners to pay customers for clothing they damage. [Washington Post via WSJ Law Blog]

* Elsewhere in state legislative developments, Arizona reverts to the Wild West, contemplating a law to allow concealed weapons on campus. The sponsoring lawmaker “initially wanted her bill to cover all public schools, kindergarten and up, but other lawmakers convinced her it stood a better chance of passing if it were limited to higher education.” [New York Times]

* Global kiddie porn bust snares 14 Americans. [CNN]

* Debevoise makes headway in its internal investigation of Siemens. To all the beleaguered junior associates working on this matter: Hang in there! [WSJ Law Blog]