Hillary Clinton may have Ron Sims and Washington’s two female senators in her corner, but this just in from the intrepid Laura Onstot: Kyoto Nickels is throwing his support to Barack Obama. Seattle’s mayor was on hand at UW this morning to introduce Sen. John Kerry, in town to stump for the Democratic presidential hopeful. Kerry was expected to tout Obama’s environmental cred. Stay tuned for more from Onstot…