Speak English? Invest here. French need not applyA linguistic shift with a political subtext By S.A.P. | KIGALI RWANDA wants your money. This much was made apparent when I landed at Kigali International Airport two weeks ago. Billboards and posters all over the airport, and all over Kigali, encourage visitors to invest in a newly stable Rwanda. It’s clear who their audience is. Rwanda is a former