CBS News Correspondent Steve Futterman talks with WCBS 880 Anchor Mike Wallace from Sutherland Springs, Texas.

WCBS reporter Alex Silverman checked in with John Metaxas after running Sunday's Marathon. This was Alex's first marathon. He finished with a time of 3:48:20. 

CBS News Congressional Correspondent Nancy Courdes joins the Afternoon Roundup to discuss the Republican tax plan. 

CBS News Business Analyst Jill Schlesinger joins the Afternoon Roundup to discuss how the House Republicans' tax plan will affect taxpayers in New York, New Jersey and Connecticut.

The NYPD's Deputy Commissioner of Intelligence and Counterterrorism, John Miller, was on CBS This Morning to discuss the latest information in Monday's attack in lower Manhattan. 

CBS News Correspondent Tony Dokoupil joins the Afternoon Roundup with the story of the travel site Trip Advisor, which has been accused of deleting posts about crimes against tourists in Mexico. 

Governor Andrew Cuomo joined Wayne Cabot and Paul Murnane with the latest on the terror attack suspect, security for Sunday's NYC Marathon and whether the city would be safer behind concrete barriers. 

Long Island Congressman Peter King, who is also a member of the House Homeland Security Committee, attended a briefing today about the Manhattan terror suspect and shares some information with our Pat Farnack.

Listen to today's Afternoon Roundup Interviews on the latest on the investigation and the security ramp up for this weekends New York City Marathon. We also hear from Congressman Peter King on the controversial program that allowed the suspect to come to the US, and we hear from CBS White House Correspondent Steven Portnoy on the view from DC.

Officials from Facebook, Twitter, and Google are telling Congress what they know about Russian ads intended to influence last fall's election.  WCBS Anchor Michael Wallace speaks with C-Net Executive Editor Ian Sherr.