Sen. Barack Obama (D-IL) again addressed his views on diplomacy on Wednesday. The New York Times reported Obama stressed “the difference between avoiding preconditions for talks with nations like Iran and Syria, and granting them automatic discussions at the presidential level.” Speaking to reporters on Wednesday, Obama also said it would be “premature” to reopen the U.S. embassy in Tehran.

Sen. John McCain (R-AZ) said Wednesday he continues to support building a nuclear waste repository at Yucca Mountain in Nevada. But, he said, the United States should reprocess spent fuel and create an international repository (AP).

Democratic candidates have been focusing on the Native American vote in recent days, Politico reports. In a press release on Wednesday, Sen. Hillary Clinton (D-NY) called for better recognition of Native American veterans.