tommy thompson beat three challengers in his comeback bid for a senate seat at age 70. and in connecticut, former wrestling executive linda mcmahon defeated former congressman christopherys. she's hoping to replace retiring senator joe lieberman. >> the issue is going to decide this election is who is best able to address the economic crisis that threatens our future and who best understands how to create jobs. folks, there is so much at stake in this election, perhaps more than ever before. washington is out of control. and it's not too much to say that america's future is on the line. >> sreenivasan: the night's big upset came in florida, where tea party challenger ted yoho beat 12-term republican congressman cliff stearns by about 800 votes. but another longtime florida congressman john mica turned back freshman congressman sandy adams, also a tea party favorite, in a redrawn district. this was the first day that young, illegal immigrants could apply to live and work legally in the u.s. it's a major policy change announced by president obama in june. under the new rules, applicants must be under 30, and they have to prove they came to the country before they were 16