White House Press Secretary Jay Carney commented briefly on the spill during his briefing today, when a reporter asked about the possible effect it could have on the Obama administration's decision to approve the Keystone XL Pipeline.
Answer: It's not the biggest thing on the President's radar.
Here's the exact exchange, via the White House transcript (emphasis added):
Q. With the public comment phase now underway in terms of the draft of the environmental impact statement as it relates to the Keystone Pipeline, I was trying to get a sense -- without any specific scheduling announcements -- when we think we should expect to hear from the President on that.