BostonGlobe.com Political Headlines - May 1, 2012

Here are the top POLITICAL headlines from BostonGlobe.com today:    

Mitt Romney striving to win over the right: Political reporter Michael Levenson writes about the behind the scenes work Mitt Romney's campaign is doing to win over the conservatives, while also courting the more moderate voters.   Elizabeth Warren had key role in asbestos court case: Political reporter Noah Bierman explains Elizabeth Warren's role in a court case against the nation's largest insurer.       Genealogist says Warren may be able to claim Cherokee heritage; Brown and Warren campaigns continue to trade barbs: Political reporter Noah Bierman reports on Elizabeth Warren's background and the possibility that she may be part Cherokee.