Something to smile about. In photos obtained by Page Six, Prince Harry grinned ear to ear at a roundtable event for veterans in Washington Wednesday, the same day news broke that he and wife Meghan Markle will be moving back to the UK six years after stepping back from the royal family. In photos from the event, the “Spare” author was beaming as he greeted guests and spoke at the podium — which notably had a little Union Jack, the UK national flag, in front of the mic. Harry famously served 10 years in the British Army, rising to the rank of captain and completing two deployments to Afghanistan. He served from 2005 to 2015. The 41-year-old…
