Take Five - May Day, May Day! World markets themes for the week ahead

(Reuters) - Following are five big themes likely to dominate thinking of investors and traders in the coming week and the Reuters stories related to them.1/BREXIT MAY DAYWith less than 80 days to go until Britain leaves the European Union, the path to Brexit winds to a critical crossroads on Tuesday when MPs vote on Prime Minister Theresa May's withdrawal deal. The agreement, which May and EU leaders say cannot be renegotiated and is the only one available, will almost certainly be rejected. If..