CBS and NBC led with lengthy previews of Tuesday's Pennsylvania showdown.
ABC: After reports on gas and food prices, word of the "increasingly bitter tone" in Pennsylvania campaigning with clips of negative ads and robocalls. In preview of GMA interviews, Clinton said U.S. could "totally obliterate" Iran if it launched a nuclear strike against Israel, while Obama said his campaign attacks are necessary. Mention of canceled North Carolina debate, then package on views of white women in Philly suburbs. Stephanopoulos said Clinton must win Tuesday to stay alive, probably by double digits. Brief mention of McCain's day in the south.
CBS: Political block took half the broadcast. Recaps of the day's campaigning, a look at Pennsylvania voting demographics, and suggestion Clinton's Scranton ties may not be as deep as she hopes. Look at college students found strong, but not total, support for Obama.
NBC: Led with Pennsylvania primary preview, recapping Clinton and Obama's events Monday. Noted narrowed Clinton lead in polls, latest negative ads, cash totals. Clinton supporter Philly Mayor Nutter said she will stay in race regardless of Tuesday results. Previewed "Today" interviews with both candidates: Clinton defended her attacks, Obama said he was dragged into it by Clinton. Russert said Clinton's margin of victory will also effect fundraising, and she needs money for the next big battleground -- Indiana.
