Italian and Spanish government bonds came under further pressure on Monday, pushing their yield premiums over benchmark German Bunds up on investor concern over the failure of euro zone policymakers to quickly resolve the debt crisis. "The lack of political response is leaving the market with no other choice but to continue to disintegrate," a trader said. Spanish 10-year government bond yields rose 14 basis points on the day to 6.22 percent , within sight of their highest levels in 14 years reached last week when contagion from the Greek debt crisis rocked Spain and Italy -- the euro zone's third and fourth ... (full story)