Bloomberg View contributor Ramesh Ponnuru explains that despite what Paul Ryan said, the new Democratic congressman from Pennsylvania is not a conservative. Republicans should stop portraying Conor Lamb as a conservative for several reasons. Above all, it’s false. It could also lead congressional Republicans and their allies to underestimate their challenge this year -- making it more likely that they won’t meet it. And it allows the terms of political debate to drift leftward. This commentary aired on Bloomberg Radio.