CBS poll shows dead heat between Patrick Murphy, Marco Rubio
The Patrick Murphy campaign had more to cheer about Sunday after a CBS News poll showed the first-term congressman within striking distance of incumbent Republican Sen. Marco Rubio. The poll showed Rubio with 44 percent support among registered Florida voters compared to 42 percent support for Murphy, with 8 percent undecided and 6 percent saying they would vote for a different candidate. Last week a poll from Opinion Savvy showed the Murphy, a Democrat, tied with Rubio at 46 percent…