The Trump administration is in advanced discussions with budget carrier Spirit Airlines about a bailout, sources familiar with the negotiations told CBS News. The financing package could include a loan of up to $500 million, in exchange for warrants that would allow the federal government to take a potentially substantial ownership stake in the beleaguered airline, the sources said. Commerce Secretary Howard Lutnick is one of the chief proponents pushing the Trump administration to take an ownership stake in the carrier, multiple sources told CBS News. The deal is not done and is subject to change, but could be finalized...