President Obama returns to Iowa, Romney campaigns in Colo. President Obama returns to Iowa Tuesday, this time speaking in Cedar Rapids on his tax-cut extension proposal, while first lady Michelle Obama will attend fundraisers in Florida. Mitt Romney will hold a town hall meeting in Grand Junction, Colo. And Vice President Biden will speak at a National Council of La Raza conference in Las Vegas. Here's your look at the campaigns" schedules for Tuesday, July 10, from the candidates" press offices and the PBS News Hour Political Calendar. Tuesday, July 10 (All times ET) 9:25 a.m. The president leave the White House for Iowa 12:20 p.m. The president holds a roundtable discussion with a local Iowa family at a private residence 1:50 p.m. The president delivers remarks on middle class tax relief at a campaign event 2 p.m First lady Michelle Obama speaks at a campaign event in Miami 3:15 p.m. The vice president will deliver remarks at the 2012 National Council of La Raza Annual Conference in Las Vegas. 3:40 p.m. The president leaves Cedar Rapids, Iowa en route to Washington 5:30 p.m. First lady Michelle Obama speaks at a campaign event in Orlando Jill Biden, the vice president's wife, will visit with military service members and families at a Joining Forces event at the Utah Air National Guard Base in Salt Lake City The vice president will attend a campaign event. 12:35 p.m. Mitt Romney attends a town hall in Grand Junction, Colo. 8 important topics Obama, Romney won't discuss Poll: President Obama, Mitt Romney deadlocked in race