A tech firm linked to a campaign-donor crony of President Obama not only got the job to help build the federal health-insurance Web site — but also is getting paid to fix it. Anthony Welters, a top campaign bundler for Obama and frequent White House guest, is the executive vice president of UnitedHealth Group, which owns the software company now at the center of the ObamaCare Web-site fiasco. UnitedHealth Group subsidiary Quality Software Services Inc. (QSSI), which built the data hub for the ObamaCare system, has been named the new general contractor in charge of repairing the glitch-plagued HealthCare.gov. Welters...