LONDON, April 14 : Nigel Mansell said he had "total sympathy" with Red Bull's four-times world champion Max Verstappen in slamming Formula One's new rules era but expected the governing FIA to make changes to get back to "proper racing". Red Bull's Verstappen has been outspoken against the sacrifice of flat-out speed for energy management, calling the situation "fundamentally flawed" while McLaren's world champion Lando Norris has branded the racing "artificial". Mansell, the 1992 world