Employees at the Louvre Museum were set to vote Wednesday morning on whether to extend a strike that shut the world’s most visited museum, as unions protest chronic understaffing, building deterioration and recent management decisions; pressures intensified by a brazen crown jewels heist in October.Workers were expected to gather for a general assembly to decide whether to continue the walkout, which was adopted unanimously earlier this week. The museum was closed Tuesday for its regular weekly shutdown.Unions say frustration has mounted over staff shortages, aging infrastructure and a planned increase in ticket prices for non-European visitors. For all the latest headlines follow our Google News channel online or via the app.Tensions have been further sharpened by fallout from the theft of crown jewels during a daylight robbery that exposed serious security lapses at the museum.Culture Ministry officials held crisis talks with unions Monday and proposed to cancel a planned $6.7