Susan Walsh, Associated Press
President Barack Obama, center, heads to the West Wing of the White House in Washington with Senior White House adviser Valerie Jarrett, left, and White House Chief of Staff Jacob Lew, right, after returning from a groundbreaking ceremony, Wednesday, Feb. 22, 2012.

WASHINGTON — Days before a crucial Republican presidential primary in Michigan, President Barack Obama is claiming credit for the U.S. auto industry rebound in the state.

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His re-election campaign is launching a new television ad in the state on Friday highlighting the revival of General Motors and Chrysler following a multibillion-dollar federal bailout.

The ad notes that none of the Republican presidential hopefuls supported federal intervention and that Mitt Romney once penned a column titled "Let Detroit Go Bankrupt."

Romney and rival Rick Santorum are locked in a tight contest in Michigan, which votes Tuesday. The contest has become a must-win one for Romney, a Michigan native whose father was an auto company executive and governor of the state.