The retail space is just 36 percent leased as many luxury brands exit Michigan Avenue for the Gold Coast’s Oak Street.

The Trump International Hotel & Tower Chicago is conveniently positioned ... you'll enjoy a picturesque view of the Wrigley Building and Tribune Tower, all brightly reflected in Lake Michigan.

Here’s a look back at what happened in the Chicago area on Feb. 2, according to the Tribune’s archives ... Operations moved to the new Sears Tower headquarters in 1973, then to Hoffman ...