How many Senators were willing to vote for acquittal ?
Henderson 's original proposal , made January 11 , 1864 was submitted to the Senate Judiciary Committee , and on February 10 , 1864 it presented the Senate with a proposal combining the drafts of congressmen James Mitchell Ashley ( Republican , Ohio ) , James Falconer Wilson , ( Republican , Iowa ) , Charles Sumner ( Republican , Massachusetts ) , and Henderson .