STREISAND WATCHES HER PENNIES Barbra Streisand dined at Arnie Morton's in BevHills with hubby James Brolin, and when the $180 bill came, the diva whipped out a crumpled, 1-year-old $100 discount coupon — then took a calculator from her purse and figured a 15 percent tip only on the $80 she had to cough up! That's right, folks — Ms. MultiMillionaire left a lousy $12 tip for the poor schleps who waited on her!
