But the same politicians say they also face vigorous lobbying by tobacco interests and by business organizations concerned about costs.
This early example of vigorous lobbying was called "Pride's Purge."
After vigorous lobbying by President Reagan, the fund finally received its money.
But several lawmakers said the most vigorous lobbying came from bank or insurance industry representatives who cornered them on Capitol Hill.
Usually after vigorous lobbying, the full membership votes by formal written ballot.
The passage of time has allowed for vigorous lobbying from inside and outside the Administration.
This is an issue which will set a precedent, and that is why we have seen such vigorous lobbying.
There has also been vigorous lobbying by industry on this issue.
The Senate action has set off vigorous lobbying on the House side, which has rejected similar language in the past.
However, vigorous lobbying in Congress for a less restrictive bill appeared certain, they said.