Some races tipping $30M mark, inundating voters with 'cacophony'
                                
                                
                                    (Newser) -
                                    Senate races in 11 hotly contested states are drawing record sums in spending on TV advertising, the Washington Post reports. Both parties stick to repeated attacks: Democrats and their backers tie Republicans to Bush and aid for big corporations, while GOP supporters say Democrats will tax and spend freely. “...