The outcome of Trump's impeachment isn't preordained -- because he keeps making things worse: ex-Obama attorney

Former acting Solicitor General Neal Katyal posted a hopeful analysis of the dynamics at play during the upcoming Senate impeachment trial.

Katyal explained multiple examples of Trump acting guilty that have left Senate Majority Leader Mitch McConnell (R-KY) in a weakened political position -- a trend that could continue.

And Katyal suggested that Sen. Lisa Murkowski (R-AK), Sen. Susan Collins (R-ME) and Sen. Mitt Romney (R-UT) could be joined by at least one other Republican to pass a resolution giving the power to call witnesses to Chief Justice John Roberts.

And he said Trump should testify in his defense.

Here is his full thread: