BlackRock CEO Larry Fink on Tuesday urged the government and the private sector to ensure Americans have enough money to retire and said the world's largest asset manager would launch a product next month to address the issue. The "LifePath Paycheck" will go live in April, with 14 retirement plan sponsors aiming to make it available for 500,000 employees as defined contribution plans. "America needs an organized, high-level effort to ensure that future generations can live out their final years with dignity," Fink said in his annual letter to investors.