By Gus Trompiz and Sybille de La Hamaide PARIS (Reuters) – French farmers blocked major highways to Paris on Monday as they pursue protests over a range of grievances, despite several measures announced by the government. Here are some of the issues that have prompted the protest movement and what the government could do next. WHY ARE FARMERS PROTESTING? Farmers in France, the EU’s biggest agricultural producer, say they are not being paid enough and are choked by excessive regulation on environmental protection. Some of their concerns, like competition from cheaper imports and environmental r…