you can also find masterpieces where the rubber meets the road. >> reporter: for michael wallace, riding his mountain bike arnold town is as much exercise as it is expression. if his tires are his paint brush, the city streets are his con vas. >> this whole area from around the base and around monument is where i do all my pictures. >> reporter: in the map of baltimore city, wallly gpx as he calls himself sees art, images that pop off the grid, then tracing what he sees in his mind's eye from the simple assist from an app on his cell phone,. >> i hit record track, and it's on. we're live. we're recording now. >> reporter: and peddle power, wallly is off weaving through the maize of his highlighted routes and cutting through parks navigating around traffic and the odd looks from onlookers, his vision is quickly drawn. >> it's also becoming a great challenge to see how many different lines i can see in the streets just in this one area alone and so i figure i'm going to keep doing this until i pull a map out and nothing happens. >> reporter: but so far the concrete jungle has been quite th
, bill bratton and michael chert wrof. on abc's this week, more coverage of the colorado shootings. fox news sunday's host chris wallace welcomes the chairs of the house and senate intelligence committees, republican representative mike rodgers and democratic senator dianne feinstein. on cnn state of the union, candy krollly talks with john hinken looper as well as arizona republican senator john mccain, he's expected to talk about gun control, on face the nation from cbs, bob schiffer talks with governor hicken looper, aurora colorado mayor steve hogan and new york city mayor michael bloomberg. he's expected to discuss the politics of gun control. all five network talk shows reair on c c-span radio, beginning at noon eastern time, with nbc's meet the press, at 1:00, it's abc's this week, 2:00 p.m., fox news sunday, 3:00, cnn state of the union and finally at 4:00 eastern, it's face the nation from cbs. you can listen to them all on c-span radio on 91fm in the washington, d.c. area. on xm, channel 119, listen on your blackberry, download as an app or go online to c-span radio.org.
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