We're ending the month with a challenging themeless puzzle. Keep an eye out for tricky clues and fun wordplay. This week's puzzle was constructed by Greg Snitkin and Glenn Davis, and edited by Hoang-Kim Vu. Greg is a dad with three small kids and a hedge fund controller from South Orange, N.J. He's been in a fantasy football league with Glenn since 2013 and spanks him every year. Glenn is a reformed sports blogger now working in the non-profit s…