BAQUBA, Iraq, April 28 (Reuters) - A Suicide attacker killed at least 30 people and wounded 50 others at a Kurdish political gathering on Monday, in the town of Khanaqin, 140 km (100 miles) **rtheast of Baghdad, security sources said. The Kurds were celebrating the television appearance of Iraqi President Jalal Talabani, a Kurd who has been incapacitated since late 2012. Talabani was casting a vote in Germany where he has been undergoing medical treatment. ...