President Obama leads Donald Trump by 15 percentage points in a hypothetical 2012 match-up, but the president is unable to top the 50% level of support even against an opponent some are deriding as a joke. The latest Rasmussen Reports national telephone survey finds that the president earns support from 49% of Likely Voters nationwide, while Trump attracts the vote from 34%. Given that choice, 12% would vote for some other candidate, and five percent (5%) are undecided. (To see survey question wording, click here.) Only 65% of Republican voters would vote for Trump over Obama. Among voters not affiliated...