Senate GOP coronavirus bill aides U.S. transit, airports but loans not cash for airlines

WASHINGTON/CHICAGO (Reuters) - A Senate Republican coronavirus stimulus package would provide financial aid to U.S. airports, transit systems and passenger railroad Amtrak, but $50 billion for struggling U.S. airlines would be a loan not a cash payout, according to a copy of the proposal seen by Reuters.The nearly 600-page proposal would set aside in grants $10 billion for grants to airports, $20 billion for transit systems and about $1 billion for Amtrak.Amtrak and transit systems have warned o