In This Hour: REBROADCAST -- \xa0The U.S. Supreme Court accepts two new gun cases and hears an important Second Amendment Challenge. \xa0 Michael Cargill explains his challenge to the ATF. -- \xa0Should he buy an older rifle or pay just a little more to get a new one that's probably better? -- \xa0A flawed decision in the 7th Circuit upholds the Illinois ban on many semi-auto rifles, handguns, and shotguns. \xa0Experts think this is destined to be decided by the U.S. Supreme Court. Tom Gresham's Gun Talk \xa001.21.24 \xa0Hour 1