By Greg Bensinger SAN FRANCISCO, Feb 23 (Reuters) - Amazon said it expects to invest $12 billion in Louisiana as part of a plan to ‌build data centers in the Pelican State. The Seattle-based online retailer said the ‌data center buildout, in northwest Louisiana, will create 540 full-time jobs, as well as additional ​jobs it claims will help support the facilities, such as electricians and heating, ventilation and air-conditioning technicians. As part of its fourth-quarter earnings report this month, A ...