Tax deductions for an abortion and related tax breaks would be prevented under a House panel's bill. But Democrats in the Senate support the tax deductions.
Corporate taxes should be simplified and rate lowered, Obama says. But many loopholes have a powerful constituency.
Democrats and Republicans agree that today's tax system hinders job growth. But tax reform efforts come as many House Republicans also push for $2.5 trillion in spending cuts in next decade.
Though the House has repealed health-care reform, it won't be repealed by the Senate, meaning the effort is virtually dead. But House Republicans can still try to dismantle the law by other means.
Tax reformers are pushing the president, but aren't sure it's at the top of his agenda.
Medicare and Social Security advocates worry that entitlements face restructuring under the new deal brokered between President Obama and the GOP.