How will President Obama deploy his Internet army? | WASHINGTON — Campaign manager David Plouffe, in a mass e-mail sent Wednesday to former workers, asked how much time they can spare for four missions integral to Obama's effort to transform his victory into a broader political movement.The volunteers' options are, Plouffe wrote: Campaign for progressive state and local candidates Undertake grassroots local efforts to advance Obama's agenda Train others in Obama's organizing techniques Focus on local political issues. "Obama's building a political machine," said Stephen Hess, a presidential scholar at the Brookings Institution, a center-left Washington research group."These people have...