By Yiming Woo and Michaela Cabrera PARIS (Reuters) – French far-left presidential candidate Jean-Luc Melenchon, who may yet challenge for a place in the April election’s crucial runoff, on Sunday promised to lower the age of retirement, hike the minimum wage and freeze food and fuel prices. Melenchon, who denounces the free-market economy and instead advocates state intervention in the economy to spread wealth and guarantee what he calls a dignified life for all workers, told a campaign rally in Paris he would tax the wealthy hard. “The free market, as you see, is chaos. Another world is possi…