Cairo - Gamal Mubarak, the son of Egypt's president, proposed Tuesday that his country pursue nuclear energy in a speech to the nation's political elite, drawing strong applause while raising expectations that Mubarak is being positioned to replace his father as president. The carefully crafted political speech raised the prospect of two potentially embarrassing developments for the White House at a time when the region is awash in crisis: a nuclear program in Egypt, recipient of about $2 billion a year in military and development aid from the United States, and Mubarak succeeding his father, Hosni Mubarak, as president without...