Andretti is working the anti-trust angle. They have found a bipartisan group of US Congress members to send a letter to Liberty regarding Andretti's exclusion including bringing up the potential that this may not be inline with the US Sherman Antitrust Act. I can imagine the timing of this (lead up to Miami GP) is purposeful.
https://twitter.com/sahilkapur/statu...520123277?s=61
Richard