Governor Deval Patrick participated in a bus tour for President Obama’s reelection campaign this weekend, but events back home are a reminder that the road to the White House — both for Obama now and, potentially, him in the future — is littered with deep potholes. The still-unfolding state drug lab case, and the revelation that a state-regulated Massachusetts company was behind a tainted steroids problem causing deaths across the country, have the potential to mar Patrick’s aura of executive leadership.
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