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CNN=Politics Daily is The Best Political Podcast from the Best Political Team.

(CNN) - Sen. Hillary Clinton got some bad news Wednesday when Rep. John Lewis, a civil rights legend and prominent African-American superdelegate, announced he is no longer supporting Clinton and now backs Sen. Barack Obama.  Senior Political Correspondent Candy Crowley reports on the Lewis endorsement and Clinton's game plan in the final days before March 4.

Clinton and Obama may be rivals but they have both pledged to begin to withdraw American troops from Iraq if they win the White House.  Pentagon Correspondent Barbara Starr investigates the implications of a Democratic win in November on the U.S. military and the conflict in Iraq.

The oil industry may be hit with tax increases if Democrats in Congress get their way.  Brian Todd looks at the politics of petroleum as gas prices continue to rise and the American public turns its attention to the general election later this year.

In Tuesday night's Democratic debate, Sen. Clinton made an issue of Sen. Obama's failure to hold a single substantive oversight hearing on Afghanistan in his capacity as chairman of a Senate subcommittee.  Jessica Yellin takes a closer look at Clinton's assertions about Obama's record on Afghanistan.

Finally, we remember conservative icon William F. Buckley, Jr. who died Wednesday.

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–CNN Associate Producer Martina Stewart