Do defunding Obamacare efforts have GOP support?

Do defunding Obamacare efforts have GOP support?-washingtonpost: We know that those advocating a government shutdown to “defund” Obamacare haven’t convinced even a majority of their Senate colleagues. In the House, a senior House aide offered that most of the conference was “supportive” of the speaker’s approach. Another suggested the “tide” was in the direction, but that it wouldn’t be hard for hardliners to drive the House off course once again.