President Obama delivers an impassioned plea for his vision of health care reform. So will the Presidents address to a rare joint session of Congress prove to be a turning point in what has become the signature issue of the Obama Administration? The initial reaction from Capitol Hill broke along familiar partisan lines, but some lawmakers hold out hope that a compromise can be met. This week Fox News Sunday tackles health care reform when Chris Wallace speaks with a panel of influential lawmakers. Segment 1 Guests: Sen. Kent Conrad, (D) North Dakota / Chairman, Senate Budget Cmte. Sen. Orrin Hatch, (R) Utah / Senate Finance Committee Sen. Claire McCaskill, (D) Missouri Sen. Lindsey Graham, (R) South Carolina / Budget Committee You Lie! That outburst during President Obamas address to a joint session of Congress rocked the nations Capital. South Carolina Republican Congressman Joe Wilson called the White House and issued an apology, but that concession has done little to quiet the furor thats erupted on Capitol Hill. Some Republicans are even using the remark as a rallying cry in their attempts to defeat President Obamas plan for health care reform. This week Chris Wallace finds out why the comment was made when he talks with Congressman Joe Wilson in an interview youll find only on Fox News Sunday. Segment 2:Rep. Joe Wilson, (R) South Carolina Plus our Sunday Panel: Brit Hume Fox News Senior Political Analyst Mara Liasson National Public Radio & Fox News Bill Kristol Weekly Standard & Fox News Juan Williams National Public Radio & Fox News And Chris Wallace sits down for a rare interview with one of labors most powerful voices. Segment 4 Guest: Andy Stern, President, Service Employees International Union (SEIU)