2 1/4 cups canned chicken broth
1 10-ounce box couscous
1 cup chopped green onions
1 cup (generous) diced seeded plum tomatoes
1/3 cup thinly sliced fresh basil
1/2 cup olive oil
1/4 cup balsamic vinegar
1/4 teaspoon dried crushed red pepper
Cherry tomatoes, halved
Bring broth to boil in medium saucepan. Add couscous. Remove from heat. Cover; let stand 5 minutes. Transfer to large bowl. Fluff with fork. Cool.
Mix all ingredients except cherry tomatoes into couscous. Season with salt and pepper. (Can be made 1 day ahead. Chill.) Garnish with cherry tomatoes.