WATCH LIVE: Missouri Sen. Clair McCaskill gives final speech at Capitol

Deadline For ObamaCare Looms

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ST. LOUIS, MO (KTVI)-- America is on pins and needles waiting to hear the Supreme Court's decision on the future of our health care system Thursday.

That is when the justices are expected to rule on the affordable health care act, which requires individuals to have health insurance or face a fine.

President Obama has defended his signature piece of legislation.

The Supreme Court could find it unconstitutional and the president's republican rival is also using the upcoming decision to rally his supporters.

Even if the provision is struck down, a proposition will be on the Missouri ballot will ask voters whether to prohibit Governor Jay Nixon's administration from implementing an insurance exchange.