Minutes after the NRSC urged him to quit the Missouri Senate race and a major GOP super PAC promised not to help him, Rep. Todd Akin's (R) campaign Twitter feed posted an update reading "I am in this race to win."

I am in this race to win. We need a conservative Senate. Help me defeat Claire by donating: secure.campaignsolutions.com/toddakin/donat… #mosen

— Todd Akin (@ToddAkin) August 20, 2012