Lawmakers seemed split along party lines Thursday over whether the government should buy converter boxes for millions of Americans who still use antenna-based TVs, once the nation's shift to digital TV is finished. ...¶... Key Republicans say they're willing to set aside $500 million for a subsidy for households that have no cable or satellite service and that earn less than $30,000. "I myself could support a limited subsidy for low-income households," says [the] chairman of the House Commerce Committee. ¶ Most Democrats say anyone who buys a box should get a subsidy. They would include even more affluent consumers, as well as lower-income, antenna-only homes where the box would be used for second sets and in pay-TV homes with extra sets that use antennas. ... Link: USA TODAY.