Dzhokhar Tsarnaev, the surviving suspect in the Boston Marathon bombings, remains in serious condition and is under heavy guard at a hospital. CBS News' Steve Kathan talks with Tony.

14 people lost their lives and more than 200 were reported injured following the deadly explosion at a fertilizer plant in the community of West, Texas. CBS News' Steve Futterman is in West, Texas on the fertilizer plant explosion and offers Tony the latest.

Mitch McConnell continues to seize on the bungled taping of his Louisville campaign headquarters. The Senate Minority Leader is airing a new commercial that links last week's brouhaha to the Democratic president's desire to oust him. With Tony is politico's James Hohmann.