Client entered the US without a visa.  Client married a US citizen who was hearing impaired.  Client's spouse petitioned for client, upon approval a provisional waiver was submitted and approved.  Client attended interview at US consulate in client's home country.  Client was denied for being a public charge due to spouse's and children's disabilities.  A waiver was  submitted and approved.  Client attended a second interview at the consulate and was approved.  Client returned to the US as a legal permanent resident.