He did not lie, Trump requested cooperation in investigating the Ukrainian interference in the election. That would be the same as asking to investigate Democrats. It was after all the Democrats tha Colluded with Foreign powers to overthrow the President.
Which by the way does fit the legal standard for treason if you throw in the calls for violence and the partisan violence on record.
Pelosi, Biden, Obama, Comey, Schiff, Nader are all legally liable for the death penalty, though figure 20 years hard labor is enough for Justice.
That and refunding the tax payers for the Muller Circus and for all the money laundering of tax kickbacks.