NOLA.com: T-P Orleans Parish Breaking News Weblog OUR OPINIONS: An open letter to the President –Editorial board, New Orleans Times-Picayune Dear Mr. President: We heard you loud and clear Friday when you visited our devastated city and the Gulf Coast and said, “What is not working, we're going to make it right.” Please forgive us if we wait to see proof of your promise before believing you. But we have good reason for our skepticism. Bienville built New Orleans where he built it for one main reason: It's accessible. The city between the Mississippi River and Lake Pontchartrain was easy…