FILE - In this Jan. 6, 2014 file photo, Sen. Ron Johnson, R-Wis., joined by attorneys Paul D. Clement, far left, and Rick Esenberg, second from left, announces that he has filed a lawsuit to block the federal government from helping to pay for health care coverage for members of Congress and their staffs during a news conference on Capitol Hill in Washington. A federal judge will hear arguments this week on whether to ...