WASHINGTON (Reuters) - U.S. Republican Senator Marco Rubio will support a compromise tax bill when it comes up for a vote next week in Congress, CNBC reported on Friday, citing unnamed sources. The Florida lawmaker earlier on Friday repeated his concerns that an expansion of child tax credits in the bill was too little to win his support, keeping a cloud over prospects for the legislation’s passage. 
Republican Senator Rubio will back tax bill: CNBC, citing sources