In another sign of the impending apocalypse, and of the big changes overtaking King Street, we received word this weekend that Clara’s Coffee will close for good this Saturday, June 30, when owner “Papa” Ron plans to shut the doors at 344 King St. for the last time. The neighborhood coffee shop has been a Lower King institution for 14 years — a hangout for countless college kids, favorite locals-only lunch spot, top people-watching spot, and the site of probably untold thousands of fervent, caffeine-fueled, badly supported philosophy debates. An employee tell us that Ron has simply had enough (of the retail business, one assumes, not the philosophy debates), and that the space will become home to yet another King Street antique shop.