After that, we're not likely to hear a veto threat from him that much again.

Presidents generally do not want to draw a line between themselves and their party.

Don't make a threat and then not do it.

I'm offering to sign a bill and not veto it.

I would veto it,

He cannot veto the bill until it gets to his desk, ... It may not get there for a couple more weeks and in that time period, we're doing everything we can to communicate with him.