July 22 (Bloomberg) — U.S. Sen. Ron Johnson's lawsuit challenging an Obamacare provision subsidizing health insurance for members of Congress and their aides was dismissed by a judge who found the lawmaker failed to show he'd been harmed.   U.S. District Judge William Griesbach in Green Bay, Wisconsin, threw out the senator's case, ruling yesterday that without a "concrete injury" that can be remedied by the court, the dispute ought to be resolved politically.   Johnson, a first-term Republican from Wisconsin, sued President Barack Obama's administration this year. He argued the subsidy treats legislators and their employees better than most Americans working for private employers, violating the U.S. Constitution's guarantee of equal protection.   "There is nothing in the Constitution stipulating that all wrongs must have remedies, much less that the remedy must lie in federal court," said Griesbach, who was appointed by former President George W. Bush, a Republican.

The challenged provision was created by the Obama administration after passage of the 2010 Patient Protection and Affordable Care Act, popularly known as Obamacare. The core of the legislation was upheld by a U.S. Supreme Court ruling in 2012.