Reread the piece. Kasper denies miracles happen. That includes the Resurrection. The whole tenor of the Harrison piece concerns the Resurrection and its denial by Bredin and Kasper.
Avery Dulles clearly states that Kasper treats of and affirms the Virgin Birth and the Resurrection. Also sitetest has told me he has read the book and not found it heretical - something impossible if he truly denied the resurrection and divinity of Our Lord as you have falsely claimed.
In compact style, Kasper handles practically all the standard Christological questions, such as the pre-existence of the Son, the hypostatic union (one person in two natures), the virginal conception, the freedom and sinlessness of Jesus, his Messianic claims and titles, his miracles, and his resurrection. Refusing to separate Christology from soteriology, Kasper likewise treats the redemptive character of Jesus's sacrificial death. On all these points, Kasper stands with the ancient councils and with the mainstream of the theological tradition.