washington congressional democrats tuesday try fail pressure republicans seek president donald trump tax return say scandal michael flynn make imperative find whether president business tie russia day republican chairman house representatives ways mean committee dismiss idea panel democrats propose amendment demand committee ask treasury department copy trump return march unless amendment adopt never see president tax return office representative sander levin michigan democrat tell committee chairman kevin brady public hear stonewall urge think twice levin add keep issue ... alive brady strongly reject request abuse committee authority minutes late committee reject amendment along party line 23-15 vote vote represent late skirmish republicans democrats congress whether lawmakers review trump tax return critics say would help determine whether president sprawl business empire pose conflict interest house democratic aid say political battle continue resignation national security adviser michael flynn monday intensify democratic interest document one lawmaker warn potential danger blackmail representative bill pascrell new jersey democrat issue first request trump return feb. letter brady reject monday experts say federal law authorize house ways mean committee senate finance committee joint committee taxation examine individual tax return two panel head senator orrin hatch utah republican dismiss idea seek trump return last week house republicans contend authority examine tax return mean ensure proper administration tax code democrats contend trump business empire involve state-owned enterprises china unite arab emirates well interest russia saudi arabia turkey taiwan philippines house democrats escalate effort obtain trump tax return