With a cloture vote in the Senate scheduled for tomorrow, Democrats are still trying to scare up a Republican to support the campaign-finance DISCLOSE Act. But it won’t be Sen. Susan Collins (R., Maine):

“The bill would provide a clear and unfair advantage to unions, while either shutting other organizations out of the election process or subjecting them to onerous reporting requirements that would not apply to unions,” Collins’ press secretary Kevin Kelley told ABC News.
“Senator Collins also believes that it is ironic that a bill aimed at curtailing special interests in the election process provides so many carve outs and exemptions that favor some grassroots organizations over others. This too is simply unfair.”

More here.