An aide said officials were unconcerned it might have undermined the dignity of the office.
Ukrainian Prime Minister Arseniy Yatsenyuk is set to visit D.C. on Wednesday.
The Kentucky Republican said the U.S. should do "a lot less spying on Americans."
The White House is stressing a possible "off ramp" for Russia.
With deadline approaching, the administration is reaching out to mothers of adult children.
The all-night event to highlight climate change impacts is expected to draw 28 Senate Dems.
A new poll by CNN and ORC found little public support for using military force.
Heroin-related deaths spiked by 45 percent from 2006-2010, Holder said.
Alyssa Mastromonaco will reportedly leave in May.