After two years, the whistle on Ruby’s Chantal Cookware Livestrong teakettle finally gave up its zest for life. Chantal Cookware’s cleaning recommendations couldn’t revive the ailing whistle, so Ruby resigned herself to buying a whole new kettle. Before pouring another $60 down the drain, she emailed Chantal Cookware to ask if it was at all possible to replace just the whistle…