View Larger Map The “doors” opened at 8 a.m., but many of you are just now starting to think about heading down to the Lincoln Memorial to watch the free, open-to-the-public We Are One Opening Inaugural concert. Here’s what you should know before you leave: The Lincoln Memorial is located between Constitution Avenue NW and Independence Avenue SW on 23rd Street.It’s cold today, but not as cold as it has been for the last couple…