(WASHINGTON) — Republican leaders are steering the Senate toward a crucial vote on their bill eviscerating much of President Barack Obama’s health care law, buoyed by the near theatrical return to the Capitol of the ailing Sen. John McCain. No stranger to heroic episodes, the Navy pilot who persevered through five years of captivity during the Vietnam War announced through his office that he would be back in Washington for the critical roll call on beginning debate on the legislation.