Health Care News – Read More Disgruntled centrist Republicans raced to sign a Democratic discharge petition Wednesday extending ObamaCare subsidies for three years, providing the definitive 218 signatures to force a vote on the bill over the opposition of GOP leaders.  Reps. Brian Fitzpatrick (R-Pa.), Mike Lawler (R-N.Y.), Rob Bresnahan (R-Pa.) and Ryan Mackenzie (R-Pa.) went to the chamber floor Wednesday…