Conversation with MIKE MANSFIELD and OFFICE SECRETARY, February 7, 1964

LBJ ASKS MANSFIELD'S OPINION ON CUBA, GUANTANAMO WATER CRISIS; MANSFIELD READS STATEMENT HE MADE EARLIER IN THE DAY; CUBAN FISHERMEN IN CUSTODY IN FLORIDA; CUBAN NATIONALS ON BASE; TAX BILL; CIVIL RIGHTS BILL; HARRY BYRD