"In response to this, and an earlier message from Mr Hayes defending polarisation, David Roberts of Grist tweeted:" But polarizing who against who?

为了回复这一条和之前的一条海耶斯为两极化辩护的言论，大卫·罗伯茨发了一条推特：“两极化到底是哪两极？”

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Click here to see Dr. David Hayes-Bautista talk about Cinco de Mayo in a video.

FORBES: Everything You Know About Cinco De Mayo Is Wrong

Deputy Secretary of the Interior David Hayes will give us an update on the joint investigation and on the pressure on industry to clean up the spill.

WHITEHOUSE: Press Briefing on Oil Spill in Gulf of Mexico

CNN's Joe Sutton, Moni Basu, David Mattingly, Greg Morrison and Ashley Hayes contributed to this report.

CNN: Auburn killings suspect appears in court