ARTS AND ENTERTAINMENT
Credit: Chicago Tribune Crossword

The answers to the following clues will have something in common.

1. Ancient city and country on the Mediterranean
2. Freudian concept concerning our self-perception
3. Lex Luthor to Superman
4. Credit Card giant
5. Paying close attention
6. Einstein's and Hemingway's first names
7. Two frequently confused words which can be both nouns and verbs

Answers:

1. Alexandria, Egypt
2. Alter Ego
3. Arch enemy
4. American Express
5. All ears
6. Albert and Ernest
7. Affect and Effect