Look at the company he keeps:
http://www.thejc.com/news/uk-news/30841/anti-israel-iraqi-billionaires-d...

Look at how Ed Davey as possible Foreign Minister in a Coalition would move to suspend Israel's trade agreement with the EU:
http://www.thejc.com/blogpost/libdem-policy-against-israel

Look at what Tonge and other LibDems say about Israel:
http://www.youtube.com/watch?v=iXINcYpJXsI

Look at how over 80% of LibDem MPs are happy to see Israelis arrested on arrival in the UK on politically motivated false 'War Crimes" charges:
http://edmi.parliament.uk/EDMi/EDMDetails.aspx?EDMID=40074

Don't be Clegged Over!

Disclaimer: These are personal views