“Megan Leavey” is a canine-human love story

By Mark Jenkins, Special To The Washington Post
The oddest thing about “Megan Leavey” is its title. After all, Shakespeare never titled his great romances simply “Juliet” or “Antony.”
Admittedly, Megan (made both sympathetic and resolute by Kate Mara) is on-screen a lot more than her paramour: a German shepherd employed by the military to sniff out explosives. But viewers of this fact-based weepie are likely to prefer the emotionally versatile Rex (impersonat