By SAMY MAGDY, Associated Press CAIRO (AP) — Egypt's parliament advanced a proposal on Tuesday to amend the constitution in a way that could allow President Abdel-Fattah el-Sissi to stay in office well beyond the end of his current term in 2022. El-Sissi led the 2013 military overthrow of an elected but divisive Islamist president and was elected the following year. He has presided over an unprecedented