Ilhan Omar says he can't do that. She says the president's role is more "symbolic" and it is congresses' role to manage where the funding goes.
Exactly, but she's been acting as a spokesperson for the dems, calling Trump's doing this a constitutional crisis, and claiming that it tramples the constitution.
I think the dems believe that they can play this angle to get Trump removed from office, but in the end they will be taught a lesson on how the government actually works.