WASHINGTON -- House Speaker Paul Ryan (R-Wis.) was chief lobbyist for the Republican Obamacare replacement bill Thursday, but conservatives and moderates in the Senate were indicating that their votes may not be there. Ryan spent his weekly press conference giving a lengthy professorial lecture on the basics and benefits of the American Health Care Act, assisted by visual aids. "We are going to repeal and replace Obamacare and we're going to do it with a three-pronged approach. Number one is what we're talking about right now... that's called reconciliation. That's the American Health Care Act. There are only so many...