Missed opportunity — or a tacit admission of political vulnerability? When Paul Ryan sent the ObamaCare repeal bill to Barack Obama, he held a public “enrollment†event to celebrate the accomplishment. Rather than return the favor, Roll Call reports that Obama opted to veto the bill with minimal publicity: With little public fanfare, President Barack Obama on Friday vetoed a Republican-crafted measure designed to repeal his signature health care overhaul. But Republican leaders are signaling their repeal push is far from over.In a statement, Obama said the health care overhaul "is working," slamming the bill because it would "reverse...