As Senator John F. Kerry traveled the country on his presidential campaign last year, his personal investment portfolio earned him between $14,700 and $42,300 in addition to his Senate salary of $158,100, while his wife's investments made the couple millions more, according to financial disclosure forms released yesterday. Kerry reported ownership of four trust funds, with the combined value stated within the broad range of $430,000 to $2.56 million. They include holdings between $15,000 and $50,000 in companies like Procter & Gamble Co., Exxon Mobil Corp., General Electric Co., Pfizer Inc., Baxter International Inc., BellSouth Corp., and American Express Inc.,...