The longtime Obama supporter could also be in the running for Commerce Dept., or an adviser role.

The longtime Obama supporter could also be in the running for Commerce Dept., or an adviser role.

Timing of Geithners departure depends on the resolution of the fiscal cliff.

Timing of Geithners departure depends on the resolution of the fiscal cliff.

Proposals target middle-income Americans; aim to spur consumer spending.

Proposals target middle-income Americans; aim to spur consumer spending.

President plans to call for additional stimulus spending in September address.