Two passengers on the Malaysia Airlines flight were traveling with stolen passports.
Rep. Peter King (R-N.Y.) says China may have delayed or altered the images.
The New York Republican said it appears authorities have "done nothing right."
The NTSB team will be ready to help with case of missing Malaysia Airlines jet.
The two leaders said they would “insist that Russia abide by its obligations.”
A stalemate, especially over agriculture tariffs, is holding up progress on trade pact.
Obama made clear his wish is to leave a small number of troops behind for security.
Trade negotiators on Tuesday wrapped up four days of high-level talks on an Asia-Pacific trade deal without reaching a final agreement.
U.S. Trade Representative Michael Froman said officials made inroads on market access, among a broad range of other issues, but said the deadline to complete the far-ranging Trans-Pacific Partnership (TPP) remained dependent on achieving the high standards staked out since the start of the talks.
A bipartisan group of senators urged the top U.S. trade official to keep negotiations open on an Asia-Pacific trade deal until there is an agreement with Japan that provides greater market access to U.S. products.
Obama said he supports “direct dialogue” between the two parties.