Separation of powers

Rep. Maurice D. Hinchey (D-N.Y.) vowed to force the White House to accept delivery of a new
presidential helicopter Obama says he doesn't need and doesn't want.
The helicopter program, which cost $835 million this year, supports 800
jobs in Hinchey's district. "I do think there's a good chance we can
save it," he said.

Here is much more.  The Congressional Democrats don't like Obama's proposed "cuts" in spending.