President Barack Obama Friday warned America risked its security when it compromised its values, seeking support for his bid to sketch a new legal framework for anti-terror policies. Obama used the backdrop of the US Naval Academy graduation ceremony to argue that founding US ideals must guide the future battle against terrorism, a day after trying to quell raging debate over Guantanamo Bay in a major speech. "We uphold our fundamental principles and values not just because we choose to, but because we swear to -- not because they feel good, but because they help keep us safe," Obama told...