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In the summer of 2007, Iowa State Rep. Lisa Heddens introduced her mentally disabled son to then-Sen. Joe Biden, D-Delaware. ‘Biden didn’t brush him off and was patient with the way he speaks. You know, it is hard to understand him,’ Heddens said of the meeting with her son, Paul, who was then 12 years old. Biden stayed in touch…And that’s the reason Heddens will wait untilBiden makes a decisionon whether he'll run before she makes a decision about who she'll support. State Senator Herman Quirmbach publicly endorsed Biden earlier this week, even though Biden has not yet announced his intention to run.