Former Secretary of State Colin Powell broke with the Republican party during the 2008 election, to endorse then-candidate Barack Obama for president, calling Obama a "transformational figure." Powell has once again chosen to endorse Obama in this year's election.

On "CBS This Morning," Powell said he feels more comfortable with Obama's stance on climate change, immigration, and education. Powell expressed his concern about Republican candidate Mitt Romney's changing positions on international affairs and has given close consideration to Romney's domestic policies.

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