DETROIT (Reuters) - General Motors Co on Wednesday forecast flat profits for 2020 and reported a better than expected fourth quarter result as it kicked off a new effort to win over investors stampeding into shares of electric car rival Tesla Inc .GM said it expects earnings per share for 2020 in a range from $5.75 to $6.25, excluding one time items, taxes and interest. Analysts are expecting GM to earn $6.23 this year on a comparable basis, according to IBES data from Refinitiv. GM's fourth..