WASHINGTON (AP) — A program that has allowed wealthy foreign investors to obtain U.S. residency, and has long been the subject of complaints that it amounts to the wholesale selling of American citizenship, may be coming to a sputtering end. Congressional authorization for a key part of the immigrant investor program was set to expire Wednesday with dim prospects for renewal ... Congress created the program to encourage investment from overseas and spur job growth in 1990, when the economy was in recession. The program required an investment of $1 million or just $500,000 in areas of high poverty and...