"She was only given a single-entry visa . . . because she had never visited China before."
So Obama now has quite a bit of egg on his face and, along with Kerry, looks like a trusting fool when it comes to dealing with China. This has implications beyond the comparatively minor issue of visas.
Egg on his face? Not giving a first time applicant a 10 year visa hardly seems like an unreasonable move. Do you think the US doles out visas to everyone under the sun?