high, the candidates -- with the stakes high, the candidates are making pitches via land -- iseven mitt romney's wife hitting the trail. >> it is time for us to coalesce. >> a surprise when would be a breakthrough. romney is in a statistical tie with newt gingrich for the lead in both states. still ahead, concerns over the safety of metal hips. plus, putting the homeless to work. why the idea is stirring up controversy. mechanics were checking the engine, but it was the brakes. we are going to answer your plant and gardening questions. you can at progressive, you can bundle your home and auto policies and save. don't worry, tiny people. flo is a gentle giant. bundle home and auto at progressive.com. >> take a look at this. a delta plane rolled off of the runway this morning. two maintenance workers were testing the engines on the 737 aircraft when the brakes failed and the plan began to move. no passengers were aboard the plane. emergency crews are working to move the damaged airplane. an unusual plan to put the homeless to work in texas is raising eyebrows. homeless people are being used as mob