Alaska Gov. Sarah Palin is planning to attend the joint House-Senate fundraising dinner tonight, according to sources familiar with her schedule, ending a back and forth between the vice presidential nominee and the two congressional campaign committees that goes back for months. Palin was initially invited to keynote tonight's gathering, which will benefit the National Republican Congressional Committee and the National Republican Senatorial Committee, as the keynote speaker. Depending on whom you believe, Palin either accepted and then reneged or never accepted in the first place. Either way, the two congressional committees moved on -- inviting former House Speaker Newt...