Just under half of the congress was recalled by their states. Even the remaining puppets refused to authorize the suspension of habeas, and that was with the puppeteer's hand so far up their backside they probably squeaked when the talked.
Using lack of impeachement as evidence of support is a joke. By corallary, failing to try Jefferson Davis implies total judicial, legislative, and executive support of his actions.
There is a big difference between a President, who was (according to the Southern Cabal), acting tyrannically and not getting impeached by the Congress (its constitutional responsiblity) and trying a traitor who could no longer hurt the nation he had betrayed.
Charity towards all, Malice towards none