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Wis. governor Scott Walker joins presidential...

Name: Wis. governor Scott Walker joins presidential primary
Uploaded: 2015-07-13T13:20:20+0000
Duration: 36 s
Description: Wisconsin governor Scott Walker is set to formally launch his campaign for the presidency, making him the 15th Republican primary candidate. CBSN's Contessa Brewer previews the announcement.

Wisconsin governor Scott Walker is set to formally launch his campaign for the presidency, making him the 15th Republican primary candidate. CBSN's Contessa Brewer previews the announcement.