Flags will be flown at half-staff until Tuesday following the deadly mass shooting.
Obama said he will continue to "politicize" the issue.
Obama is reportedly tapping Education official John King, Jr. to head the agency.
Taking "sensible steps" on guns "continues to be a top priority,” press secretary Josh Earnest said.
The measure funds federal agencies through Dec. 11.
Obama said agents managed security "flawlessly" during a busy week.
The two will likely cross paths at the U.N. General Assembly next week.
White House stresses Obama is not changing his position on the issue.
Pope Francis brought his own brand of politics to Washington on Wednesday.
The administration intends to press Xi on hacking, trade policies and human rights issues.
"The Day of Atonement is a time for humility, reflection and repentance," Obama said.
He is throwing more punches at the Republicans vying to take his place.
The vice president will attend the pope's arrival and send him off next week.
Earnest said the candidates appeared “angry and pessimistic” while standing for hours.
Obama will meet Thursday to "express his gratitude" for their actions.
It will be their first face-to-face meeting since the Iran deal was finalized.
President pushes back against "dark" rhetoric in presidential race.
The U.S.-China relationship has grown increasingly strained in recent months.
“He has better things to do,” Press Secretary Josh Earnest said.
Obama in Iowa joked that he needs the field to be "winnowed down a little."